Aim: to attest the abiding efficacy and safety of acupuncture for migraine prophylaxis Design: A open-label randomized controlled trial will be performed in Chengdu, Hunan and Chongqing province. Two hundred and forty-three participants will be randomly assign to acupoint-meridian group, non-acupoint-meridian group, and wait-and-see group. Each participants will receive 20 sessions of acupuncture in 4 weeks, with a duration of 30 minutes in a session. After all the treatments was accomplished, there will be 5 times follow-ups in the impending every 4 weeks. The primary outcome is frequency of migraine attacks 16 weeks after inclusion. Secondary outcomes include frequency of migraine attacks at the 4th and 24th week, headache severity, MSQ(Migraine Specific Quality of Life Questionnaire MSQ Version2.1), etc.
