Vocational training includes pre-job training, job transfer training, apprenticeship training, on-the-job training, job transfer training and other vocational training. Vocational training can be divided into primary, intermediate and advanced training according to the actual situation. Vocational training is implemented by corresponding vocational training institutions and vocational schools respectively. There are mainly the following types of institutions that carry out vocational training: (1) Employment Training Center. Is to train urban unemployed and rural migrant workers into skilled workers with primary technical business level; (2) technical school. It is a vocational training institution organized by the state, society, enterprises and institutions to train middle and senior technical workers through theoretical teaching and production practice; (3) Vocational schools such as vocational high schools and secondary specialized schools. It is to train people who have employment aspirations after graduating from junior high school to become secondary specialized personnel who can engage in certain vocational and technical work; (4) Staff universities, vocational and technical colleges, technician colleges, radio and television universities, ordinary colleges and other higher vocational and technical colleges. Mainly to train qualified personnel and on-the-job workers in secondary vocational training into professionals with college level or above; (5) Social forces organize vocational training institutions. Mainly according to the national vocational standards to carry out different levels of vocational skills training for social workers; (6) enterprise staff training center. Mainly responsible for the technical business training of employees in this enterprise.