Summary of case history ,A 31-year-old female patient had advanced menstruation and reduced menstrual volume in the past six months. Dysmenorrhea is more severe, 1 day before menstruation and 2 days before menstruation lower abdomen drop pain, need to take painkillers, menstrual volume is reduced by about 1/3. Unmarried, G0, denied having sex for the last six months. A history of chronic gastritis. Usually irritable personality, mouth is easy to get hot, afraid of cold, cool hands and feet, facial acne, dry mouth bitter, poor, poor sleep, easy to wake up, stool sticky, day line, red tongue has petechiae, edge tooth marks, pulse string slippery. ,TCM diagnosis ,Premenstrual period (kidney deficiency, liver stagnation, Qi stagnation and blood stasis),Western medicine diagnosis ,Diminished ovarian reserve.,Therapeutic methods ,Treated her periodically with the method of unblocking and supplementing, rising clearness and suppressing hyperactive Yang.,Clinical outcomes ,After recuperating 3 menstrual cycles with traditional Chinese medicine, her ovarian function was obviously improved.