Gui Zhi Fu Ling Capsule is not recommended to take during menstruation to avoid causing excessive menstrual flow. Gui Zhi Fu Ling Capsule has the effect of activating blood circulation and removing blood stasis, and is mainly used for the treatment of dysmenorrhea, premature amenorrhea, or post-partum uterine contraction weakness, and prolonged discharge of bad menstruation due to the lack of smooth flow of blood stasis in the uterus. Taking it during menstruation may cause excessive menstrual flow and prolonged menstrual period, which may easily lead to anemia. Gui Zhi Fu Ling Capsules can be taken after menstruation to treat cystic hyperplasia of the breast and breast swelling and pain in women. Menstruation is a special physiological period for women, because of chronic blood loss there will be a decline in body resistance, so during menstruation, we should pay attention to keep warm, do not eat spicy, stimulating food, do not take food or drugs to activate blood circulation and remove blood stasis when menstruation is heavy.