In line with students' psychology and life. Chen writes about the nirvana of teenagers because it is more in line with students' psychology and life. It is an article about the growth of teenagers, because every child has had conflicts and disputes with his parents in the process of growing up, and even wants to escape from their parents' sight. In the process of traveling alone, they always encounter difficulties and setbacks. After some experience and thinking, they bravely crossed the difficulties and setbacks they encountered, matured and grew up.