People's education edition Chinese reform once every five years. According to relevant data, there are five versions of the textbooks for nine-year compulsory education in primary schools, namely, People's Education Edition, Shanghai Education Edition, Jiangsu Education Edition, Zhejiang Education Edition and Foreign Teachers Edition. People's Education Edition, Shanghai Education Edition and Soviet Education Edition are reformed once every five years. Zhejiang Education Edition and Foreign Studies Edition are reformed once every three years.