1. Adolescent sexual psychology: Parents should guide boys to understand the relevant knowledge of adolescent sex education, help boys understand the relevant content through books or knowledge lectures, and correctly face sexual impulses, sexual awareness and sexual needs. Let boys know their gender identity correctly and avoid causing psychological pressure, psychological conflict, tension, fear or guilt to boys.

2. Adolescent sexual physiology: Parents should help boys have a scientific understanding of adolescent sexual physiology knowledge, including the composition of reproductive system, the anatomical structure of reproductive organs, the whole process of sexual development, and the education and treatment of both sexes;

3. Personal hygiene in adolescence: Parents should guide boys to do a good job in personal hygiene in daily life, take a bath frequently, and change underwear frequently. And develop good personal habits.