Article 17 of The Teacher Law of the People's Republic of China regulates that the teacher employment system should be gradually carried out in schools and other education organizations. The employment of teacher should obey the principle of equality, and the employment contract should be signed between school and teacher with clear regulation about rights, obligations and responsibilities of both sides. It has been clearly stated in the Action Plan for Education Prosperity in the 21^st Century approved by the State Council and issued by the Ministry of Education, that the execution of the teacher employment system is an important measure for the realization of "Teacher Project across Century" and the enhancement of teachers' quality.
       The purpose of the teacher employment system is to change the employment method of teachers, to establish an open, equal, competitive and excellent-first employment and management system. It can also explore the source channel of teachers, assign teacher resources reasonably, and enhance the education quality and benefit.