Technical secondary school refers to a secondary specialized school. Usually, after the end of nine-year compulsory education, it is equivalent to high school, but ordinary high schools pay attention to the teaching of basic knowledge, and generally take the college entrance examination after graduation to prepare for entering the university. Secondary schools, on the other hand, pay more attention to the cultivation of professional skills. After graduation, they have generally mastered the corresponding vocational skills and can be competent for a certain occupation when they enter the society. At present, there are public and private secondary schools, including: ordinary secondary schools, vocational secondary schools, adult secondary schools and secondary schools (equivalent to secondary education). Technical secondary school is an important part of China's vocational education and secondary education, which delivers a large number of applied talents to the society every year.

Secondary vocational schools are schools that implement secondary vocational education, and students graduate from secondary vocational schools. The enrollment targets are junior high school graduates and junior high school equivalent. The basic education system is three years. Secondary vocational education is the vocational education carried out in the stage of high school education, including some post-high school vocational training, and it is the main body of vocational education in China at present. Its orientation is to cultivate a large number of skilled talents and high-quality workers on the basis of compulsory education. Secondary vocational schools provide students with high school cultural knowledge education, and at the same time, according to the requirements of professional posts, carry out targeted vocational knowledge and vocational skills education. Divided into public and private categories.