The ingredients of Jia Wei Yi Yao Wan are Chai Hu, Radix Angelicae Sinensis, Radix Paeoniae Alba, Atractylodes Macrocephala (bran fried), Poria, Licorice, Peony Peel, Gardenia (ginger roasted), Peppermint, and supplemented by ginger. The adverse reaction item in the instruction of Jia Wei Yi Yao Wan is not yet clear. In the clinical observation, compared with Propafenone and other drugs, no more obvious side effects were observed in Jia Wei Yi Yao Wan. However, according to the analysis of the ingredients contained, the group formula is mostly blood-activating drugs. Therefore, 1, pregnant women should be cautiously taken. 2, normal menstrual flow, suddenly appear excessive menstrual flow, prolonged menstrual period, postmenstrual error, excessive menstrual flow, must go to the hospital for consultation. 3, prolonged menstrual period, excessive menstrual flow combined with anemia, should be taken under the guidance of a physician. 4, adolescent girls and menopausal women should take the medicine under the guidance of a physician. 5, generally take the medicine for one menstrual cycle, its symptoms do not improve, or excessive menstrual flow, or The medicine should be taken in accordance with the dosage and should be consulted by a physician for long-term use. 10. 10. Do not take when the properties of the drug have changed.