If dysmenorrhea occurs, first of all, we should clarify the cause of the disease and then acupuncture, as follows: 1, if it is because of stasis, when the patient’s pain can be acupuncture, mainly to play the role of warming the meridians and channels, not through the pain, once the meridians and channels are smooth, the pain will gradually disappear; 2, such as for the prevention of menstrual cramps, you can start the implementation of acupuncture in the first 5-7 days of the menstrual period, may be more will be from the limbs of the selection of acupuncture points, identification of acupuncture points, and likewise play a role of warming the role of the channels and channels. Patients with dampness and heat can use points to clear heat and dampness, and patients with stagnant qi can use points to ease the liver and regulate qi, which can better prevent dysmenorrhea; 3, such as due to deficiency and dysmenorrhea, acupuncture can be practiced during dysmenorrhea, but more often, need to be used in the absence of menstruation to replenish the qi and blood points for acupuncture, and to better carry out the meridian of the moisturizing, in order to better play a preventive role of dysmenorrhea.