Teachers with good emotions will be full of confidence in themselves, feel the happiness of life, and make physical and mental development healthy. But if teachers are always in a bad emotional state, they will feel uneasy and sleep will also be affected. In the long run, it may lead to different degrees of psychological and physiological diseases. Teachers' conscious emotion management can eliminate bad emotions, maintain good mood and keep good mood.In addition, a good mood makes teachers feel that their work is more smooth and lays a good foundation for their career development. Under the control of bad emotions, teachers will always affect their explanation of knowledge and children's understanding of knowledge, which greatly reduces the effect of classroom teaching; on the contrary, under the control of good emotions, teachers will be conducive to classroom teaching. Happy and positive emotional state will play a positive role in Teachers' thinking, memory agility, in-depth grasp of the content of teaching materials, and take effective methods; in the course of class, they are energetic and quick to react, infect children with positive psychological atmosphere, and make them receive intangible incentives. In addition, as a kindergarten, it also has the obligation to create a good working environment for teachers. Based on the guiding ideology of all for the sake of children, it pays more attention to the interests of teachers, meets the needs of teachers, puts people first, and improves the job satisfaction of teachers, so as to reduce the spiritual pressure of teachers. Under the influence of a harmonious environment and a good mood, teachers can be better and fuller Give full play to their wisdom and devote more energy to teaching activities, which is conducive to children's receiving knowledge and teachers' professional development.