This film continues the content of the previous one, telling that the Rainbow Town Sunshine Kindergarten is ushering in a new semester. Goethe continues to be responsible for the work of transporting children to and from school. Although Didi and their friends have grown up, they have new problems. There is also an endless stream. Emotion management still needs guidance and help from Goethe, teachers and parents to learn more ways to manage emotions. This film aims to explore and explore the ways and solutions for emotional development and improvement of children between the ages of three and six, because with the increase in interaction and the diversification of individual characters, children are prone to various mood swings. Therefore, they need better guidance so that they can find suitable ways to transform negative emotions and cultivate positive emotions, so as to become positive people who face life and be friendly to others.