Generally speaking, the position of director of education bureau is relatively high in the education system, and his position belongs to the treatment of director level or above; The principal's post mainly belongs to middle-level cadres, and the title can be professional and technical title or deputy senior or above. There is no clear distinction between the positions of director of education bureau and principal. Because the director of education bureau and the principal belong to different departments and functional categories respectively. The headmaster is the leader of the school, who is mainly responsible for the daily management of the school, including education and teaching, student management and financial management. The Director of Education Bureau is responsible for the education management of all schools in this area, including school operation supervision, policy formulation, teacher training, education investment, etc. Their responsibilities are different, one is the leadership within the school, and the other is the leadership of regional education management.