The statement of what medication for dysmenorrhea is the least harmful to the body lacks basis, dysmenorrhea medication needs to identify and treat, at present, it can be divided into kidney qi deficiency, qi and blood weakness, qi stagnation and blood stasis (because of the lack of qi to lead to blood stagnation), and cold congealed blood stasis and other evidence. Proper use of medication according to the doctor’s instruction can reduce the occurrence of side effects. 1. Kidney qi deficiency: manifested as vague pain in the abdomen during menstruation, pale color of menstruation, dizziness, weakness of the spine, small amount of menstruation, and clear color of urine. Liver tonifying soup is chosen for treatment. Contraindications are not clear. 2. Weakness of qi and blood: dizziness and panic during menstruation, scanty menstrual flow, inability to sleep, pale menstrual flow, and fatigue. Astragalus Jianzhong Tang is often used. Avoid seaweed, woad and raw onion. 3. Qi stagnation and blood stasis: dark color of menstruation, blood clots, pain relief after discharge of menstruation, irregular menstruation, breast distension and pain. Choose Diaphragm Downward Expelling Blood Stasis Tang. Contraindications are not clear. 4. Cold-congealed blood stasis: cold pain in the abdomen before menstruation, small amount of menstrual blood, dark color and clots, fear of cold. Warm menstrual soup is recommended. Avoid eating cold and raw food while taking the medicine. 5. Dampness-heat accumulation (dampness and heat evils accumulate in the body): each time before menstruation, the pain of menstruation is aggravated, the volume of menstruation is prolonged, the burning pain in the abdomen before menstruation, the color of menstruation is purple, the menstruation has blood clots, the amount of menstruation and leukorrhea is increased, and the leukorrhea is yellowish, thick and smelly. Choose the addition and subtraction of Clearing Heat and Regulating Blood Soup, which should not be used for abdominal pain with weak qi and blood. Chinese medicine needs to be used under the guidance of a Chinese doctor to identify the symptoms, and individuals should not use it blindly to avoid adverse consequences.