The story revolves around two students in the class (Wen Lexin and Gao Limin) - one is clever and tall and the other is stupid and short, as well as a group of their friends with different personalities.The lovely students, just like your classmates and you, will make fun of each other, and also help each other, care about each other. They have many things that make people laugh and surprise, angry and helpless in the school.The author's relaxing words, together with rich and interesting pictures, allow children to enjoy reading while forgetting the pressure of reading and join the big family of Blue Sky Elementary School.