Methods: The rat model of morphine dependence as established.The effects of acupuncturing Zusanli (ST36) on withdrawal symptoms and conditioned place preference (CPP) ere observed.

• 方法：复制吗啡依赖大鼠模型，观察针刺足三里穴对吗啡依赖大鼠戒断症状及吗啡条件性位置偏爱的影响。