The novel is full of childhood interest and tells short stories in popular and short language. For example, in noble behavior, Caron sympathized with the weak Croce and took the initiative to take responsibility. His behavior is worth learning. As written in the diary, "what happened today made us really understand Caron." Derossi, the first in the class, is an example for the whole class. I am a little jealous of him, but he is not only good at grades, but also very enthusiastic and gentlemanly. I admire him more. These stories describe the pure love between classmates and are full of childhood fun. A small matter may be infinitely magnified in the eyes of children, and the child's contradictory and complicated mentality is vividly displayed. "My Mother" and "Love the Motherland" wrote the deep love of my father. The teacher's Moon Story is a meaningful story. Patriotic youth in Padua, sentinel in Lombardy, the little scribe in Florence, drummer in Sardinia, father's wet nurse, etc. These stories were copied by teachers first, and then read aloud in class, which received good results among children. Pupils are a stage that is willing to accept new things and new ideas. Through this entertaining way, they can better understand what is persistence, what is courage, what is filial piety and what is patriotism.