Legal basis: Article 25 of the State Council's Decision on Further Strengthening Rural Education actively guides and encourages teachers and other qualified teachers to teach in rural primary and secondary schools. All localities should implement the subsidies for primary and secondary school teachers in rural areas, remote areas and poverty-stricken areas stipulated by the state. Establish a service period system for urban primary and secondary school teachers to teach in rural areas. When urban primary and secondary school teachers are promoted to senior teacher positions, they should have more than 1 year teaching experience in rural primary and secondary schools. Appropriately increase the proportion of middle and senior teachers in rural primary and secondary schools. The administrative department of education at the prefecture (city) and county level shall establish a regular exchange system for urban and rural "proofreading" teachers in the region. Increase the number of teachers from the eastern region to teach in the western region and teachers from the western region to receive training in the eastern region. The state continues to organize and implement the volunteer program for college students to teach.