The mathematics version of the primary school textbook in Shunyi District of Beijing is: Beijing Normal University Edition, so the teaching assistant chooses Beijing Normal University Edition.

The textbook "Basic Education" published by Beijing Normal University has become one of the mainstream textbooks recognized in China with its profound research foundation, advanced educational concept, high quality and professional service level, and is widely used in 29 provinces, autonomous regions, municipalities directly under the Central Government and Macao Special Administrative Regions.