"3+2" refers to the "three-two-stage system" in secondary and higher vocational schools. The three-two-stage system in secondary and higher vocational schools is a form of higher vocational education. Some key secondary schools and higher vocational and technical colleges have been approved by the relevant departments of the province to hold and recruit new junior high school graduates, with a five-year academic system. After graduation, they will be sent to the provincial education department to get a college diploma. The first three years are charged according to school standards, and the second two years are charged according to college standards. Students with the "three-two-stage" system need to take the "three-two-stage" unified examination in secondary vocational schools and higher vocational schools during the secondary school study stage. Those who pass the examination will be transferred to colleges and universities to complete two-year college study and issue two-year college graduation certificates. In the electronic registration information of academic certificates, the characteristics of candidates are filled in as "32 paragraphs". Unqualified, issued a technical secondary school diploma, according to the technical secondary school graduates. Second, "3+2" means that junior college students sign up for at least the provincial-level unified examination when they are in their junior year in junior college. If a student is admitted to a university, he or she can study in that school for two years. After two years, students can get a diploma from an undergraduate college, which is the first degree.