一个健全、完善的班集体应当有以班级干部为主的坚强核心，有团结友爱、亲如手足的和谐氛围，有努力进取、积极向上的良好风气。因此，班主任在接班之后，应以主要精力致力于班集体建设工作。如何致力于班集体建设？根据我几年来的实践，有以下一些认识和体会。一、了解学生。 A sound and perfect class of the collective should have a strong core featuring class-based cadres, a harmonious atmosphere of unity and fraternity, and affinity with one's hands and feet. There is a good atmosphere for making progress enterprisingly and actively. Therefore, after taking over the course, the class teacher should devote his energies to class work in collective construction. How to work in class collective construction? According to my practice over the past few years, I have got some understanding and experience. First, understand the students.