1. Learning legal knowledge is the need of self-discipline according to law. By learning legal knowledge and consciously abiding by the law, we can effectively prevent and avoid the emergence of illegal and criminal acts. Make yourself grow up healthily as a builder and successor of the socialist cause with ideals, morality, culture and discipline.

2. Learning legal knowledge is the need to act according to law. Acting according to law is an inevitable requirement of a legal society for social stability, economic prosperity and people's lives.

Learning legal knowledge is the need to safeguard one's legitimate rights and interests according to law. Teenagers can survive and develop in a legal society only by learning legal knowledge, gradually establishing the concept of safeguarding their legitimate rights and interests according to law and constantly improving their ability to safeguard their legitimate rights and interests according to law.

4. Learning legal knowledge is the need to undertake the historical task of governing the country according to law and building a socialist country ruled by law. The majority of teenagers learn legal knowledge from childhood, carry out this general plan of governing the country, complete this historical task, and make contributions to the prosperity of the country and the civilization and progress of society.