Specific effect of acupuncture on the neural pathway in the acute stage of migraine headache

To discuss the hazard of migraine in acute phase and analgesic effect, acupoint selection features, method as well as mechanism of acupuncture; to put forward relevant questions, answer these questions, propose relative specificity hypothesis on neural pathway of analgesic effect of acupoints in different nerve distribution areas (trigeminal nerve distribution area, occipital nerve distribution area, and spinal nerve distribution area) in treatment of migraine in acute phase, and analyze the deficiencies of hypothesis.