Acupuncture for Relieving Perimenopausal Symptoms

Inclusion Criteria: * Participants who complained of irregular menstrual cycle in the past 12 months, with a forward or postpone of a cycle more 7 days. At least 2 cycles were missing during the past 12 months, or reported menopause for at least 60 days. * Reported relative perimenopausal symptoms, e.g., hot flash, insomnia, migraine, easy irritation, etc. * Age 40-50 years. * Not accompanied with conditions that are needed for hormone therapy, e.g., menopause after surgery, active osteoporosis. * Willing to participate and signing the inform consent. Exclusion Criteria: * Had a regular menopausal cycle 3 months before this trial. * Taking estrogen, selective serotonin reuptake inhibitor(SSRI), soy isoflavone, progesterone, Vitamin E or black cohosh in the 4 weeks before inclusion. * receiving chemoradiotherapy. * Agnogenic vaginal bleeding. * Coagulation defeats, or taking anticoagulant drugs, such as warfarin, heparin, etc. * Dermal diseases, e.g., eczema, psoriasis. * Liver or kidney failure. * Uncontrollable hypertension, diabetes, or thyroid diseases. * With diabetic neuropathy, malignant cancer and mental diseases (including depression). * Intend to gestation, in gestation period or lactation period. * Using sedative or antianxiety drugs. * With smoking or intemperance problems. * Using cardiac pacemaker, or joint prosthesis. * Low compliance. * Benign tumor in breast. * Family history of breast cancer.