The publishing house is different. Hebei Education Edition is a textbook published by Hebei Education Publishing House, which is mainly suitable for Hebei area, and Shaanxi Tourism Edition is published by Shaanxi Tourism Publishing House, which is suitable for local examination textbooks in Weinan City, Shaanxi Province. There are many versions of English textbooks for primary schools. At present, there are 26 versions, many of which are divided into the starting point of senior one and the starting point of senior three. People's education edition and FLTRP also distinguish the editor-in-chief edition.