There is no such thing as “how long is the best time to take”. Generally speaking, one month of Deer Fetus Granules for a course of treatment, the specific course of treatment varies from person to person and from disease to disease, and should be taken in strict accordance with the doctor’s instructions, do not take medication or stop taking medication without authorization. Deer Fetus Granules are made up of red ginseng, deer fetus, motherwort, and ripened huangdi. The main effects are tonifying qi and blood (nourishing qi and blood), regulating menstruation and dispersing cold (dispersing cold evil and regulating menstruation). It is mainly used for the treatment of weakness and thinness caused by deficiency of qi and blood, delayed menstruation, scanty menstruation and dysmenorrhea caused by cold and dampness, and increased leucorrhea. This product is prohibited for pregnant women, diabetic patients, and should not be used during colds, heavy menstruation, dry mouth and dry stools, leukorrhea with yellow color or sticky. It is forbidden for those who are allergic to the finished product of the drug, and should be used with caution for those with allergies. Avoid eating cold and raw food during the medication. Before the use of drugs, please consult a professional physician to clarify the diagnosis and prevent misuse of treatment. Regarding the time of use of Deer Fetus Granules, it is also recommended to consult a physician and follow the doctor’s instructions to use the drug, do not take the drug on your own.