Since China’s reform and opening in 1978,with the changes of the times,the evolution,succession and innovation dis- course system in ideological and political education of college students has deeply and complicatedly changed,for example,the dis- course object has transformed from orderliness to complication and the discourse carrier has changed from simplicity to variety. This phenomenon not only promotes the development of college students’ideology but also challenges colleges’ideological and political edu- cation. Especially through 40 years’reform and opening,the most important issue is to establish the discourse system of present ideo- logical and political education according to the real problems and push the sustainable optimization and perfection of the system.