Dysmenorrhea is a common gynecological disease, acupuncture point injection can achieve immediate effect on dysmenorrhea, its main treatment principles are as follows: 1, Sanyinjiao is a common acupuncture point in the treatment of gynecological diseases, stimulation of Sanyinjiao acupuncture point can affect sympathetic nerve fibers, inducing uterine smooth muscle, pelvic floor muscle diastole. 2, vitamin K3 can antagonize 5-methyl prostaglandin and has analgesic effect. 3, Vitamin K3 Sanyinjiao acupuncture point injection synergistically induces relief of dysmenorrhea and improves and prolongs the efficacy of acupuncture, which is difficult to do with conventional acupuncture. Which dysmenorrhea is suitable for this therapy? 1.Primary dysmenorrhea is the preferred treatment. 2.Secondary dysmenorrhea:pain caused by endometriosis, pelvic inflammatory disease, pelvic floor venous stasis, post-operative gynecological adhesions, residual ovarian syndrome, etc. Which dysmenorrhea is not suitable for this treatment? 1. Acute and chronic pain caused by systemic or other local diseases. 2.Acute abdominal pain caused by conditions such as ruptured ovarian cysts and acute infections, with coagulation dysfunction. 3.Those who are using anticoagulants. Conventional therapy is to treat abdominal pain once on the first day of menstruation or the day before menstruation for three consecutive menstrual cycles. Usually, during treatment, patients will have local soreness, numbness, swelling or discharge feeling, this is the reaction of getting gas, generally no adverse reaction, occasionally individual patients may have mild ecchymosis and pain at the injection site, at this time, do not be nervous, no need to deal with, ecchymosis and pain will disappear automatically within a few days.