Positive emotions are one of the main research contents of positive psychology. Cultivating children's positive emotions has a positive effect on children's physical health and psychological development. Anji Play is the abbreviation of the game education model for kindergartens in Anji County, Zhejiang Province. This paper focused on the cultivation of positive emotions in Anji Play and found that giving children the initiative to play, returning play to nature, and providing opportunities for children to reflect on shared experiences after play can cultivate positive emotional experiences. It is hoped that through the research of this paper, kindergarten teachers can learn the spirit of Anji Play and promote the development of preschool education from the perspective of emotional cultivation.