No, the mathematics textbooks used in Harbin May 4th Primary School were compiled in accordance with the unified regulations of the state. Mathematics textbooks used in primary schools are divided into two versions: People's Education Edition and Jiangsu Education Edition. Among them, People's Education Edition is used in national primary school teaching, and Qingdao Edition is a local textbook version, which is used in Qingdao primary school teaching and does not belong to the national unified textbook version.