Shanghai Songjiang District Primary School English is not PEP. The mathematics textbook for primary schools in Songjiang District of Shanghai is Shanghai Education Edition, which is compiled by Shanghai Normal University and published by Shanghai Education Press. The English textbook for primary schools in Songjiang District, Shanghai is the Oxford Edition of Shanghai Education Edition and published by Shanghai Education Publishing House. In fact, such textbooks are all adapted to local conditions. Shanghai has a high degree of internationalization, and some English needs to be in line with international standards. The Chinese textbooks for primary schools in Shanghai are published by the editorial board of the Ministry of Education, which is a unified Chinese textbook in China. Therefore, English for primary schools in Songjiang District of Shanghai is not the PEP version.