In over ninety years, the ideological and political education of Chinese Communist party underwent three important theoretical innovations, “life line” theory is a new thesis on the position and function of the ideological and political education, the theory on “correctly dealing with internal contraction between the people” is the deep embodiment of ideological and political theme and the theory on “socialist core value system” is the new generalization of the ideological and political education contents. These three important theoretical innovations guide the ideological and political education of the Party to continuously create new situation.