There exist some issues in teaching resource constraints, insufficient practical ability of professional teachers and outdated teaching methods in vocational education. Section-Teaching is to reform the traditional teaching mode by extending the original 2 classes in traditional teaching mode into 4 classes. Teaching cycle is divided into different sections with multiplayer co-operation at different times in different places by adjusting and integrating the original curriculum standards, teaching content, curriculum plans, teaching methods, and evaluation system. This teaching model highlights the systemic integrity of the teaching, and is conducive to the launching of the practical course, the cultivation of students' ability and teachers' flexible working time as well as the promotion of school-enterprise cooperation and exploration in various teaching methods. There are some problems requiring constant improvement in practice.