If menstrual cramps are caused by cold in the uterus, it is best to take Euphorbia Nuan Gong Pill to effectively relieve menstrual cramps caused by cold in the uterus. It is best to start taking it orally one week before menstruation and keep taking it until menstruation clears. It is recommended to take it for three consecutive menstrual cycles to effectively relieve dysmenorrhea and achieve clinical cure. In addition, it is also necessary to do the corresponding examination for dysmenorrhea caused by uterine cold, mainly to exclude dysmenorrhea caused by organic lesions, such as dysmenorrhea caused by abnormal uterine development, and dysmenorrhea caused by inflammation of the pelvis. In addition, endometriosis or pelvic tumors can also cause dysmenorrhea, so ultrasound and gynecological examinations are recommended.