China's modem vocational education theory, tested by logical argumentation and practice inspection and expressed with a series of concepts, judgment and reasoning, is proven to be the relatively correct understanding of the essence and regularity of modern vocational education. The theoretical system of modem vocational education consists of conceptual system, logical system and category system. The concept system of modem vocational education in China refers to a set of vocational education concepts set up after the founding of new China, wit...