Positive psychology is a new perspective and new field of psychological research initiated by American psychologist seligman. It studies people's psychological phenomena with a positive attitude, gives new explanations to psychological problems, thus arousing people's inner positive qualities and strength, and using these positive factors to promote human health, happiness and social prosperity.

Positive mental health education sowed the seeds of positive psychology for preschool children.

Early childhood is a critical period for people's growth, not only for people's thinking, language, movements and physical development, but also for people's psychological development. While attaching importance to children's intellectual and physical development, we should also attach importance to children's psychological development, and we can't ignore children's mental health problems.