The Guiding Outline of Kindergarten Education clearly points out: "Kindergartens must give priority to protecting children's lives and promoting children's health. Establish a correct concept of health, and attach great importance to children's mental health while paying attention to their physical health. " The signs of children's mental health are: normal movement development, normal cognitive development, positive emotions, harmonious interpersonal relationships, good personality characteristics and no serious mental health problems. Then, as a kindergarten teacher, how should we educate children about mental health? Through years of educational practice and research, the author focuses on the following four aspects: teachers should influence children with healthy personality. Witty, an American scholar, pointed out that teachers' morbid personality will seriously affect children's mental health, and there are more students with personality disorders in the classes taught by teachers with unstable emotions. Therefore, preschool teachers should be good at adjusting their emotions, treat their work and children with a positive attitude, constantly improve their personality and mental health, and try to avoid bringing personal bad emotions to kindergartens. For preschool teachers, attaching importance to and strengthening their own mental health care is not only a personal matter, but an important social obligation, because it is related to the healthy growth of the next generation. Children have strong imitation ability and fragile mind, so teachers should pay attention to the subtle influence of their words and deeds on children. Therefore, teachers should not ignore their feelings and endurance because they are young and not sensible. Kindergarten teachers should pay special attention to their words and deeds. Because a casual conversation and a careless mistake will cause great harm to children and become an important factor affecting their personality development. Preschool teachers should deeply reflect on their words and deeds, even what they always think is right, so as to avoid inadvertently hurting children's young hearts. Teachers should arrange children's activities reasonably to promote the harmonious development of children's body and mind. From the reception in the morning, I will create a warm, caring and democratic psychological atmosphere for my children. Every morning, I will stand at the door of the activity room to greet the children sent by parents, take the initiative to say hello to the children, and receive them with a warm, cordial and caring attitude. Some children will give me a hug when they come to the park, and I will hug them happily, giving children a sense of security and intimacy. Understand the situation of children at home in the morning through brief communication with parents. When the child is in a bad mood, I will take the child from the parents with a smile, hug him, whisper to him and encourage him. Children will feel fully valued and accepted, and their mood will soon turn from cloudy to sunny. Bathed in a warm and harmonious atmosphere, children will always maintain a positive and happy mood. 2. Give full play to children's initiative and cultivate their self-confidence. A healthy child is not only a healthy child, but also a happy, positive, bold, confident and fearless child. In collective education activities, teachers should use appropriate methods to guide children to actively participate in various activities, so that children can experience the happiness of success and establish self-confidence. For example, in health activities, individual children dare not take the wooden bridge. I didn't reprimand them, but encouraged them to relax first, and then gave them the way: look forward, spread out their arms and walk step by step. At the same time, the teacher is ready to protect them, and the children know the way. When they see the teacher beside them, they dare to walk over. In short, we should give full play to children's initiative and enthusiasm, and strive to combine children's interests with necessary rules. Children will think I am great, I can do it, my self-confidence will gradually increase, and I will develop various healthy behaviors. 3. Cultivate children's social communication ability in game activities. In game activities, children often encounter some conflicts and contradictions. At this time, teachers should not interfere easily, but let children learn to express their emotions appropriately and learn to control their emotions with reason. Maintain psychological balance and stability when encountering psychological conflicts, actively think about ways to solve problems, maintain healthy emotions, and handle interpersonal relationships with children. Give full play to the role of family education and jointly promote the healthy development of children's psychology. In order to cultivate children's good quality and enhance parents' leading position in home cooperation, we have organized parents' open day activities to let parents fully understand their children's activities and living habits in the park, let parents know the requirements of kindergarten management, cultivate their living habits and cultivate their sense of tasks. Through home visits, teachers and parents have also improved their understanding of children at home and in the garden, thus constantly adjusting their education methods. These practices greatly enhance children's independent self-care ability and sense of responsibility, and also give parents the opportunity to observe that children are always in a positive and optimistic state in various activities. Children's mental health education has a long way to go. Children of different ages have different psychological training goals, so we should constantly explore effective ways of children's mental health education, cultivate a group of children into positive, confident and good-quality babies, and lay the foundation for them to have a happy, healthy and happy life.