Auricular acupuncture for migraine: A protocol for systematic review and meta-analysis.

Introduction: Migraines are caused by neurological and vascular dysfunction, with a side or both sides of the head pain recurrent attack, often accompanied by nausea, vomiting, light, and sound allergy as the characteristics, is the clinical common disease, frequently occurring disease. The incidence of migraine is 8.4% to 28% worldwide (highest in Germany), and the lifetime incidence is about 14.