**Rhazes**, the largest Arab physician, contributed to the development of ***Arabic medicine*** and pharmacy ([@ref16]). His full name is Abu Bakr Muhammad ibn Zechariah al-Razi (850-923). He allegedly wrote over 200 books. Among them are books from biology and medicine. His book "Liber medicinalis Almansoris" and his large encyclopaedia book "Continens", in which the texts of antique and Arabic doctors are collected, is important for the history of pharmacy. His significant book is also "Antidotarium", a doctrine of compilation and preparation of medicines. By extracting medicinal herbs, he got the extract and called it a "slave" and used it to make the pills. They called **Avicenna** the "Prince of doctors" ([@ref12], [@ref16]). His Arabic name was Abu Ali al-Hussein ibn Abdulah ibn Sina. Avicenna has drawn his knowledgefrom Indian medicine. His most important book is known in the world as "Canon Medicinae" "Al-Qanun Fit-tib". This book describes simple and complex medications, general therapy, cleansing agents, enemas, lining, blood discharge and leeches. His books are also translated into Latin. He also wrote "Kitab Al-Shifa" ("Book of Healing"), "Al-Adwa Al-Kalbijja" ("Medicines for the Hearth") and "Kitab Al-Kulandz" ("Book of Pain in the Intestines"). In his books, he mentioned about 760 drugs and medicinal preparations, their properties, manner of action and indications ([@ref1]). Already in that period he described the iris, eye skin, eye adjustment mechanism as well as the position of the muscle in the occipital pit. It is also believed that he was to first to perform distillation. He was also involved in the production of