带状疱疹后神经痛(postherpetic neuralgia,PHN)是由水痘-带状疱疹病毒引起的带状疱疹发病后的后遗症,该病多发作于中、老年病人。其临床症状为局部跳痛、刺痛、灼痛、刀割痛,或持续性或阵发性,病人的日常生活、精神状态、睡眠等均受到严重影响~([1])。由于该病发病机制并不明确,因此临床治疗效果不如人意。治疗带状疱疹时,虽然皮疹消退,但局部神经痛依然存在,一般发病人群中 Postherpetic neuralgia (PHN) is a sequelae of the shingles caused by the varicella-zoster virus, which is most commonly found in the elderly and elderly. The clinical symptoms of local tenderness, stinging, burning, knife-cutting pain, or persistent or paroxysmal, the patient’s daily life, mental state, sleep, etc. are seriously affected ~ ([1]). As the pathogenesis of the disease is not clear, so the clinical treatment less than satisfactory results. In the treatment of shingles, although the rash subsided, but the local neuralgia still exists, the general incidence of the crowd