1, don't be too strict with children.
2. Give your child a bed in a warm and peaceful family environment.
3. Communicate and talk with children more.
4, often accompany children to do some family activities.
5. Let children learn to care more about others.
6. Cultivate children's strong resistance to social temptation.
For details of specific methods, please search the title of the question I answered. The answer is for reference only. You can ask the teacher for help.