It is generally believed that motherwort has the effect of inducing menstruation. The main effects of motherwort are to activate blood circulation and regulate menstruation, clear heat and disperse stasis, etc. It can be used clinically to regulate menstruation or induce menstruation. Wuji Baifeng Pill also has some effect on regulating menstruation and is usually used in cases where menstruation comes first and menstrual flow is excessive, and generally cannot achieve the effect of inducing menstruation. Yi Mu Cao’s main action is to invigorate blood circulation and remove blood stasis, which is a good relief for women with blood stasis symptoms. Therefore, it is suitable for late menstruation or scanty menstruation caused by blood stasis or blood stagnation, and is helpful in promoting menstruation. In addition, it can also relieve to some extent dysmenorrhea caused by blood stasis. However, the effect of Yi Mu Cao in promoting menstruation usually varies from person to person due to the individual’s constitution and the causes of delayed or scanty menstruation. Wu Ji Bai Feng Wan has the effect of tonifying Qi and nourishing Blood, mainly for Qi and Blood deficiency, thin body, menstrual cramps, etc. However, there is no clear study stating that it has the effect of inducing menstruation. However, due to its blood tonifying effect, if abnormal menstruation occurs due to blood deficiency, Wuji Bai Feng Pill can provide some relief by tonifying blood. In case of frequent abnormalities such as reduced menstrual flow and delayed periods, it is necessary to go to the hospital to clarify the cause and investigate whether there is pregnancy, ectopic pregnancy or polycystic ovary syndrome. If it is caused by some gynecological diseases, pregnancy, etc., it needs to be treated with the help and guidance of a doctor. If there is no pregnancy or organic lesion in the screening, the delayed menstruation may be caused by Qi stagnation and blood stasis, which can be regulated with medication under the guidance of a TCM practitioner, and should not be self-medicated to avoid delaying treatment and causing aggravation.