You can take motherwort when you have your period. The main ingredients are motherwort alkaloids, hydrastine, potassium chloride, oleic acid, linolenic acid and arginine, etc. It has the functions of activating blood circulation, regulating menstruation, removing blood stasis and relieving pain, clearing heat and detoxifying, diuretic and swelling, etc. It is often used for the treatment of irregular menstruation, dysmenorrhea and certain postpartum conditions. Motherwort also has the functions of clearing heat and detoxifying, diuretic and swelling, and can be used to treat bruises, bruises, swelling and pain. Motherwort contains an antagonist of platelet-activating factor, which can prevent platelet aggregation and delay the formation of blood clots, and has the effect of activating blood circulation and removing blood stasis. It can also promote the proliferation of T-lymphocytes and improve the immunity of the body. However, women with excessive menstrual flow should not take motherwort during menstruation.