Herbal medicines to regulate menstruation include Salvia miltiorrhiza, Motherwort, Safflower and so on. 1. Salvia miltiorrhiza: It has the effects of activating blood circulation and regulating menstruation (regulating menstruation by activating blood circulation), removing blood stasis and relieving pain (removing blood stasis to relieve pain), and it can be used to treat menstruation that is caused by stagnant blood circulation and menstruation with low menstrual flow. 2. Motherwort: It has the effects of activating blood circulation and regulating menstruation, clearing heat and removing toxins (removing heat and toxins from the body), which can treat irregular menstruation, dysmenorrhea, amenorrhea, etc. It can promote the discharge of stagnant blood in the uterus, and it can have the effect of promoting the flow of menstruation for menstrual impassibility caused by stagnation of blood and stagnation of qi and qi (stagnation of blood caused by lack of qi circulation). 3. Safflower: It has the effect of activating blood circulation, removing blood stasis and relieving pain, and can treat dysmenorrhea and amenorrhea caused by blood stasis and obstruction. There are many traditional Chinese medicines for menstruation, all of which should be used under the guidance of a doctor, avoiding self-medication to avoid adverse consequences.