It is a platform. Intelligent vocational education is an online teaching platform which takes knowledge points/skills as the basic granularity, takes the whole professional knowledge/skills tree as the whole structure, and realizes the systematic management of materials through a series of metadata, so that each material can be easily queried and called. The wisdom tree is a global large-scale credit course operation service platform, and the online education platform has a large number of high-quality courses in colleges and universities. Online education perfectly supports cross-school teaching, credit certification and famous schools. All belong to the national intelligent education public service platform. The national intelligent platform for vocational education integrates the high-quality teaching resources of intelligent vocational education, large-scale open online courses of China University, Yin Xue Online, Wisdom Tree and many other comprehensive and professional public online courses platforms, and brings together the national professional teaching resource pool.