With the change of the students learning in the schools for the mentally retarded in China, local schools for the mentally retarded start to compile school-based teaching materials, lifts article makes a penetrating comparison between the Chinese-laguage textbook for second-year mentally retarded students, published by the People's Education Press in 1993, and the Chinese-language textbook for second-year mentally retarded students, published by the Zhejiang Education Publishing House in 2004, in tertns of the overall structure and specific co...