The evolvement process of Bixia Yuanjun(Primordial Lady of Emerald Clouds and Heavenly Immortal Jade Maiden) in Mt.Tai fell into three phases according to method of unifying history and logic.

• 按照历史与逻辑相统一的方法,可将泰山碧霞元君的演化进程划分为三个阶段。