The technical school is run by the human society department, and the diploma issued does not belong to the national education series; National education series is run by the education department, and technical secondary schools belong to this kind of education.

However, in most cases, technical school diploma refers to secondary school education management, advanced technical school diploma refers to junior college education management, and (preparatory) technician college diploma refers to undergraduate education management.

However, when a series of national education qualifications are needed, the technical school diploma cannot be used.