This book mainly writes some plots or stories about educating children. The main character is Zhu Lele. Because Zhang Yucong's classmate went on a May Day vacation, she encountered a car accident on the way home, resulting in the death of both her parents. Although people around her were unwilling to tell her the truth, the long-term longing turned into loneliness, loss and sadness, causing her personality to change drastically. , Zhu Lele is the best friend of Zhang Yucong's mother. In order to help Zhang Yucong out of the predicament, Zhu Lele spent a lot of effort and slowly let her out of the predicament. The story is interspersed with the story of Zhang Yucong's several good friends who were initially poor students in the eyes of the teacher and slowly transformed into top students in the class. There is a true portrayal of today's society.