The majors that begin with 045 1 are 2 1, and 045 1 stands for pedagogy. 2 1 majors are education management, discipline teaching (ideological and political), discipline teaching (Chinese), discipline teaching (mathematics), discipline teaching (physics), discipline teaching (chemistry, discipline teaching (biology) and discipline teaching (English). Industry, subject teaching (history), subject teaching (geography), subject teaching (music), subject teaching (physical education), subject teaching (fine arts), modern educational technology, primary education, mental health education, science and technology education, preschool education and special education.