3+4 school majors include: numerical control technology application, computerized accounting, electrical technology application, computer application, electromechanical technology application, numerical control technology application, accounting, tourism service and management, jewelry and jade processing and marketing, logistics service and management, import and export customs declaration, digital media technology application, etc.

3+4 vocational secondary schools belong to ordinary full-time secondary vocational education technical high schools in China. In principle, a vocational secondary school is a three-year full-time secondary school. However, 3+4 vocational secondary school is a part-time undergraduate teaching mode in which secondary school and adult undergraduate jointly run schools.