Teachers' labor dispatch is flexible. The demand for resources in the education industry often changes, and labor dispatch flexibly mobilizes teachers' human resources according to specific needs to meet the temporary substitute demand of schools. This is a win-win situation for both schools and teachers. Teachers' labor dispatch provides more opportunities for teachers. Teachers have accumulated more experience and ability by participating in teaching work in different schools, contacting with different teaching modes, school culture and student groups. This is also conducive to teachers' personal career development.