The current situation of teacher education is so urgent that it’s hard to adapt to the development of informational society, therefore, the reform and innovation of teacher education is a very arduous task. The architecture of digital learning port for free normal students is built, based on the implementation of "985" Teacher Education and Innovation Platform by Central China Normal University. The function of architecture is analyzed in detail from technical support layer, learning support service layer, applicative service layer and external monitor and evaluation. Finally, this paper analyzes the impact on teacher education from the unity of university and primary & secondary schools, the unity of schools and outside and the unity of city and town.