1. A personalize exercise decision-making device for chronic patients, which is worn on a user's arm, comprising: a user interface, comprises: a data input region receives a chronic medical record message and a drug administration from the user, wherein the chronic medical record message comprises date, user name, sex, age, a confirmation on the user whether suffer from coronary artery disease, heart disease, diabetes mellitus or hypertension, a confirmation on the user whether suffer from more than one chronic disease and a confirmation on the user whether has received coronary artery bypasses grafting surgery or percutaneous coronary intervention when the user has coronary artery disease, wherein the drug administration comprises a confirmation on the user whether taking M1 medicine or M2 medicine; and a personalize exercise decision-making unit displays a real time physiological data and an appropriate exercise suggestion; an exercise evaluation unit electrically connects to the user interface, comprises: a processing unit determines a classification of sports by matching the chronic medical record message and the drug administration from the data input region with correspondent information of a plurality of classification of sports from a physiological data management unit; and a physiological detection unit, detects the real time physiological data from the user, then sends the real time physiological data to the personalize exercise decision-making unit and an exercise data analysis processing unit, wherein the real time physiological data comprises a real time blood sugar level value, a real time heart rate value, a real time blood pressure value and a real time oxygenation concentration value from the user, then the user interface displays the real time physiological data; an exercise decision unit electrically connects to the exercise evaluation unit and the user interface, comprises: the physiological data management unit stores a plurality of classification of sports, wherein the plurality of classification of sports are classified as a diabetes mellitus with stable coronary artery disease or hypertension and taking M1 medicine, a diabetes mellitus with stable coronary artery disease or hypertension and taking M2 medicine, a diabetes mellitus without coronary artery disease or hypertension, a coronary artery disease with acute myocardial infarction or a coronary artery bypass grafting surgery and taking M1 medicine, a coronary artery disease with acute myocardial infarction or a coronary artery bypass grafting surgery and taking M2 medicine, a stable coronary artery disease or coronary artery disease with percutaneous coronary intervention and taking M1 medicine, and a stable coronary artery disease or coronary artery disease with percutaneous coronary intervention and taking M2 medicine, wherein each of classification of sports comprises the appropriate exercise suggestion and a physiological statistical data wherein the physiological statistical data comprise a limit of the systolic blood pressure, a limit of the diastolic blood pressure, a limit of the heart rate, a limit of the blood sugar and a limit of the oxygenation concentration; and the exercise data analysis processing unit determines the appropriate exercise suggestion by corresponding the real time physiological data to the physiological statistical data belonging to the classification of sports from the processing unit, if any one of the real time physiological data is not corresponding to the physiological statistical data of the classification of sports, then the exercise data analysis processing unit sends a can not exercise suggestion, otherwise, the exercise data analysis processing unit sends the appropriate exercise suggestion to the personalize exercise decision-making unit.