The teachers in Dongkeng Haidong School are not very mobile. According to official website of Dongkeng Haidong School, this school has a high education level and certain advantages compared with other schools, which will make some teachers willing to work in this school and hope to develop in this school for a long time. Haidong Primary School is a public welfare private school approved by Dongguan Education Bureau and managed by the Municipal Education Bureau. It is an educational consulting unit in western China and an experimental school of the national key experimental project "Try the Research and Practice of Teaching Theory".