The system construction of combining rigidity with flexibility and both internal and external training has realized the "delicacy" in school management. Combining rigidity with softness means grasping norms on the one hand and humanities on the other. The school realizes scientific management through monthly assessment of teachers, quantitative assessment of class management, assessment of administrative personnel and regular assessment of teaching; Realize the democratization of management through the forms of teachers' congress, parents' meeting and students' symposium; Realize the humanization of management through various normalization activities such as associations and groups. Internal and external training means inviting in with one hand and going out with the other. Through forums, lectures, lectures, networking and other activities as the carrier, strengthen exchanges, jointly promote effective educational practice research on a higher platform, and reflect on teaching behavior.