Extended data
College, before 1999, refers to the professional education of college subjects (referred to as college). After 1999, in addition to professional education such as teachers' training, medicine, public security, etc., the specialty usually refers to the professional education of higher vocational education (hereinafter referred to as higher vocational education), that is, on the basis of completing secondary education, it is necessary to cultivate and master the basic theory and professional knowledge of this major and have the basic professional skills to engage in practical work of this major.