the preparation method of the present invention according to the preparation method of conventional scientifically concentrated traditional chinese herb material , includes the steps of : extracting , isolating , condensing , drying etc . ( as written in sun ten journal of medicine & amp ; pharmacy ) after obtaining scientifically concentrated traditional chinese herb material powder from each herb extract , six prescriptions are prepared according to different materials and ratios ( details as listed in table 1 ). then , the oral administration prescriptions are given to subjects who have conditions of hair shedding to carry out tests . besides , the prescription of the present invention can also be mixed according to different material ratios , and then the herb materials are extracted , condensed , and dried to obtain the prescription at one time . six prescriptions composed of each medical herb extract according to different materials and ratios are shown in table 1 . besides , since it is said that eclipta prostrata , ligustrum lucidum , polygonum multiflorun etc . also have effects of reducing hair shedding , promoting hair growth , and blackening hair , the most frequently applied material , eclipta prostrata is used as a contrast example ( please see details in example 1 ). the dosage of administration is calculated according to body weight . each human body takes 0 . 5 ˜ 1 g for every 10 kg weight everyday ( taking 1 g / 10 kg for first three months , follow - up taking 0 . 5 g / 10 kg ). the curing effect is determined in three months as a period of treatment , according to individual perception and photo records as the determined standard of curing effect . for obtaining scientific data , the effects classified as 0 ˜ 5 scores are shown . the classifying index for scoring includes following four items , i . e . evaluation of exempting alopecia , evaluation of growing hair ( newgrown fuzz ), evaluation of vitality , and evaluation of skin condition and complexion . 5 point : very obviously improved or others can determine differences easily by naked eye six volunteers are tested in the present example . subjects are given continuous oral administration of scientifically concentrated traditional chinese herb material powder of eclipta prostrata , and statistics are compiled three months later ( see details in fig1 ). the classifying index for scoring includes four items , i . e . evaluation of exempting alopecia , evaluation of growing hair ( newgrown fuzz ), evaluation of vitality , and evaluation of skin condition and complexion . the score of each item of the test in the present example is 1 . 0 , 0 . 5 , 0 . 7 , and 0 . 7 point respectively , and the score indicates that the test result falls into the range of “ rare improvement , that could be hard to detect ”. the medical effects of eclipta prostrata for growing hair and exempting alopecia claimed by people are verified to be not clear in the present example . it is also shown that eclipta prostrata has to cooperate with other medical herb materials to gain more valid curing effects . nine volunteers are tested in the present example . subjects are given continuous oral administration of scientifically concentrated traditional chinese herb material powder of prescription a 1 ( astragali radix , angelicae radix , and rehmanniae radix , as listed in table 1 ) and statistics are compiled three months later ( see details in fig2 ). the classifying index for scoring includes four items , i . e . evaluation of exempting alopecia , evaluation of growing hair ( newgrown fuzz ), evaluation of vitality , and evaluation of skin condition and complexion . the score of each item is 4 . 1 , 2 . 4 , 3 . 3 , and 2 . 9 points respectively . among them , the curing effect of exempting alopecia is very excellent , and the curing effect of growing hair ( newgrown fuzz ), vitality , and skin condition and complexion also meet to the requirement of definite improvement . the curing effect of the medical herb composition of the present invention tested and verified in the present example have curing effect far superior to that of single eclipta prostrata . the subject of the present example mr . chou , a 43 - year - old male , began shedding hair on the calvaria with unknown reason 20 years ago . the boundary line of mr . chou &# 39 ; s hair also moved back ; the hair on the part of shedding grew thinner and thinner ; and the hair started to shed when length reached about 1 to 2 cm . after taking prescription a 1 for one month , mr . chou found that the amount of shedding hair had reduced , and his vitality had also improved . after taking prescription a 1 for three months , mr . chou found that fuzz on calvaria thickened , and his family members also observed that his hair was clearly growing more . moreover , the hair on his forehead also began to thicken . after taking the product for four months , the amount of shedding hair continuously reduced ; the hair on calvaria and forehead turns thick ; and the complexion became much ruddier than it was three months ago . nine volunteers are tested in the present example . subjects are given continuous oral administration of scientifically concentrated traditional chinese herb material powder of prescription a 2 ( astragali radix , angelicae radix , and eclipta prostrata , as listed in table 1 ) and statistics are compiled three months later ( see details in fig3 ). the classifying index for scoring includes four items , i . e . evaluation of exempting alopecia , evaluation of growing hair ( newgrown fuzz ), evaluation of vitality , and evaluation of skin condition and complexion . the score of each item is 4 . 3 , 2 . 9 , 3 . 8 , and 2 . 2 points respectively . among them , the curing effect of exempting alopecia is very excellent , and the curing effect of growing hair ( newgrown fuzz ), vitality , and skin condition and complexion also meet the requirement of definite improvement . the curing effect of the medical herb composition of the present invention tested and verified in the present example have curing effect far superior to that of single eclipta prostrata . in addition , the results in the present example shows that rehmanniae radix having similar effect as eclipta prostrata ( both classified as the third herb material ) can be replaced with each other . the subject of the present example mr . chiu , 31 - year - old male , began to shed hair on both sides of forehead for unknown reason 1 year ago , but a dermatologist diagnosed that the symptom is androgenetic alopecia ( aga ) secondary . after mr . chiu had been taking prescription a 2 for one month , his vitality improved , and the amount of shed hair reduced ( the amount of shed hair reduced from 100 to 30 - 40 when shampooed ). during taking herb material , mr . chiu had better vitality , and ruddy and good complexion . after he had been taking the herb material for three months , the hair on the shedding part of both sides of forehead is obviously denser than it was before . nine volunteers are tested in the present example . subjects are given continuous oral administration of scientifically concentrated traditional chinese herb material powder of prescription a 3 ( astragali radix , angelicae radix , and ligustrum lucidum , as listed in table 1 ) and statistics are compiled three months later ( see details in fig4 ). the classifying index for scoring includes four items , i . e . evaluation of exempting alopecia , evaluation of growing hair ( newgrown fuzz ), evaluation of vitality , and evaluation of skin condition and complexion . the score of each item is 4 . 3 , 2 . 9 , 4 . 1 , and 3 . 4 points respectively . among them , the curing effect of exempting alopecia and vitality are very excellent , and the curing effect of growing hair ( newgrown fuzz ), and skin condition and complexion also meet the requirement of definite improvement . the curing effects of the medical herb composition of the present invention tested and verified in the present example have curing effects far superior to that of single eclipta prostrata . in addition , the results in the present example show that rehmanniae radix , eclipta prostrata , and ligustrum lucidum ( all classified as the third herb material ) all have similar effect , and therefore can be replaced with each other . the hair of mr . hsu , subject of the present example , 38 - year - old male , began to become thinner and thinner 6 or 7 years ago , and the dermatologist diagnosed that the symptom is androgenetic alopecia ( aga ) tertiary . after mr . hsu had been taking prescription a 3 for one month , his vitality improved . moreover , mr . hsu feels that his body is full of energy , and the amount of shed hair has greatly reduced . after taking the herb material for two months , he found that the hair had obviously grown denser than it did on the forehead before . ten volunteers are tested in the present example . subjects are given continuous oral administration of scientifically concentrated traditional chinese herb material powder of prescription a 4 ( astragali radix , angelicae radix , ligustrum lucidum , rehmanniae radix , and eclipta prostrata as listed in table 1 ) and statistics are compiled three months later ( see details in fig5 ). the classifying index for scoring includes four items , i . e . evaluation of exempting alopecia , evaluation of growing hair ( newgrown fuzz ), evaluation of vitality , and evaluation of skin condition and complexion . the score of each item is 4 . 4 , 3 . 2 , 4 . 0 , and 2 . 9 points respectively . among them , the curing effects of exempting alopecia and vitality are very excellent , and the curing effect of growing hair ( newgrown fuzz ), and skin condition and complexion also meet the requirement of definite improvement . in the third herb material of the medical herb composition of the present invention , ligustrum lucidum , rehmanniae radix , and eclipta prostrata are used at the same time in the present example , since the three herb materials are inexpensive , and have advantages on the manufacturing procedure . therefore , the present prescription is a good example . the subject of the present example mr . yen , 60 - year - old male , has shed hair for many years . it appears that there is no hair on the entire calvaria , but a lot of fuzz still can be seen by use of an examining instrument for hair follicles of scalp . mere fuzz cannot grow long enough and fall out , causing baldness , a classic symptom of aga . after mr . yen had been taking prescription a 4 for one and half months , his vitality improved , and his complexion turned ruddy and good . when the result was tracked by photographing , it is found that fuzz which can be seen by naked eye has grown on the bald part of calvaria . after taking the herb material for three months , it is found that fuzz on the calvaria had obviously thickened . this shows that the period of hair growth has been lengthened , and the hair cannot be shed prematurely . after taking the herb material for five months , mr . yen expressed that his gray hair amount had reduced . by examining hair follicles of scalp , it is found that the roots of gray hairs has turned black unexpectedly . it shows that the medical herb composition of the present invention has obvious mending effects for hair follicles , so gray hair can turn black . seven volunteers are tested in the present example . subjects are given continuous oral administration of scientifically concentrated traditional chinese herb material powder of prescription a 5 ( ginseng radix , angelicae radix , and ligustrum lucidum as listed in table 1 ) and statistics are compiled three months later ( see details in fig6 ). the classifying index for scoring includes four items , i . e . evaluation of exempting alopecia , evaluation of growing hair ( newgrown fuzz ), evaluation of vitality , and evaluation of skin condition and complexion . the score of each item is 4 . 3 , 3 . 0 , 3 . 3 , and 2 . 5 points respectively . among them , the curing effect of exempting alopecia is very excellent , and the curing effect of growing hair ( newgrown fuzz ), vitality , and skin condition and complexion also meet the requirement of definite improvement . the curing effect of the medical herb composition of the present invention tested and verified in the present example has curing effect far superior to that of single eclipta prostrata . in addition , the results in the present example show that ginseng radix having similar effect as astragali radix ( both classified as the first herb material ) have can be replaced with each other . the subject of the present example ms . yeh , 26 - year - old female , began to shed hair in a large amount for unknown reasons three and half months ago before taking the herb material . before ms . yeh started to take herb material , almost all her hair had been shed . only several black hair remained , and hair on her arms had almost completely been shed . according to ms . yeh &# 39 ; s description : her hair started to shed from april , 2006 . at first , the hair shed as a small circle shape on her head , but then the shedding speed accelerated . by the end of june , almost all her hair had been shed . she went to see a doctor , and the doctor gave injection into part of her scalp , but it was inefficient . this is generally called “ having one &# 39 ; s head shaved by ghost ” condition . even though , many examinations were performed by doctors , the cause of disease could not be determined , and the symptom could not be cured . after ms . yeh had been taking prescription a 5 of the present invention for one month , white and gold fuzz obviously grew all over the head , and black fuzz also grew on the parts of arms and eyebrows , and former black long hair continuously shed . after she had been taking prescription a 5 for two months , black fuzz grew on the area both left and right sides above her ears . moreover , former eyebrows and hair continuously shed . but there was a lot of light color fuzz growing , the fuzz closest to the area above left and right ears had lengthened , and some hair follicles &# 39 ; front end of former gold fuzz had black hair traits . all light color fuzz lengthened , and fuzz on the part of eyebrows started to grow . after she had been taking prescription a 5 for three months , thin black hair in the neighborhood above left and right ears obviously grew , and former black hair all shed . in addition , the whole vitality obviously improved , and the blood circulation was better than it was before . after she had been taking prescription a 5 for four months , the area of black hair above left and right ears had broadened . black hair growing on calvaria continuously thickened and lengthened . the phenomenon is especially obvious on the part of hindbrain , and black fuzz also grew on other parts . after she had been taking prescription a 5 for five months , black short hair grew on most of her scalp , and the hair continuously lengthened . there was obvious black hair on calvaria , hindbrain , and behind the ears . after she had been taking prescription a 5 for six months , there was mostly all black hair on the part which hair had grown and the hair turned thick and long . black fuzz grew on the part of eyebrows . after she had been taking prescription a 5 for seven months , the hair grew almost all over her head , and fuzz also grew on the arms . after she had been taking prescription a 5 for eight months , the hair continuously lengthened ; general shedding reduced ; blood circulation improved ; and complexion was much ruddier . six volunteers are tested in the present example . subjects are given continuous oral administration of scientifically concentrated traditional chinese herb material powder of prescription a 6 ( astragali radix , rehmanniae preparata radix , and ligustrum lucidum , as listed in table 1 ) and statistics are compiled three months later ( see details in fig7 ). the classifying index for scoring includes four items , i . e . evaluation of exempting alopecia , evaluation of growing hair ( newgrown fuzz ), evaluation of vitality , and evaluation of skin condition and complexion . the score of each item is 3 . 8 , 2 . 5 , 3 . 8 , and 2 . 8 points respectively . among them , the curing effect of exempting alopecia is very excellent , and the curing effect of growing hair ( newgrown fuzz ), vitality , and skin condition and complexion also meet the requirement of definite improvement . the curing effect of the medical herb composition of the present invention tested and verified in the present example has curing effect far superior to that of single eclipta prostrata . in addition , the results in the present example show that angelicae radix having similar effect as rehmanniae preparata radix ( both classified as the second herb material ) can be replaced with each other . through the test results illustrated above , it is inferred that : the medical herb composition of the present invention not only reduces hair shedding , but also improves vitality and skin condition and complexion efficiently . the effects are quite excellent , and much superior to single nourishing herb material , such as eclipta prostrata , polygonum multiflorun , and ligustrum lucidum which are generally used for blackening and growing hair . besides , according to the test results illustrated above , the medical herb composition can be added with exterior - releasing herb material ( preferably , exterior - releasing herb material is ledebouriellae radix , notopterygii rhizoma , cimicifugae rhizoma , or the combination thereof ), diuretic herb material ( preferably , diuretic herb material is alismatis rhizoma , polyporus , atractylodis rhizoma , or the combination thereof ), heat - clearing herb material ( preferably , heat - clearing herb material is puerariae radix , scutellariae radix , anemarrhenae rhizoma , glycyrrhizae radix , artemisiae capillaris herba , or the combination thereof ), or / and eliminating wetness - evil with herbs of fragrant flavour ( preferably , eliminating wetness - evil with herbs of fragrant flavour is atractylodis rhizoma ) depends on condition to develop fitting effects . the examples illustrated above are only cited for explaining for convenience . the scope of the claim advocated by the present invention should be taken by claims as the standard , but is not only limited to examples illustrated above . although the present invention has been explained in relation to its preferred embodiment , it is to be understood that many other possible modifications and variations can be made without departing from the scope of the invention as hereinafter claimed .