Women do not have menstrual cramps during menstruation is a normal body, if women do not have pain during menstruation, the menstrual cycle is regular at about 28 days, menstruation for 3-5 days is not too much and not too little is a normal body. Women during menstruation due to pelvic congestion and bruising, there will be a slight lower abdominal cramping, mild abdominal pain, fatigue, fatigue, lethargy, drowsiness, are normal performance. There are a small number of women in menstruation pain is obvious, some need to take painkillers, there are two possibilities: First, there is no problem, in the menstrual period local prostaglandin secretion caused by excessive uterine contractions, lower abdominal pain is normal, with Chinese medicine, drink ginger brown sugar water, local warmth, hot compresses will significantly improve the symptoms. Secondly, among women with dysmenorrhea, some of them have organic lesions, the most common being endometriosis or adenomyosis, which need to be further diagnosed in the hospital.