① We should consciously establish legal consciousness, safeguard legal dignity, consciously exercise self-discipline according to law, and be law-abiding; We should also attach importance to moral cultivation, practice morality and be a moral person. (2) Seriously study the Law on the Prevention of Juvenile Delinquency, knowing that juvenile bad behavior and serious bad behavior may develop into illegal crimes. (3) to prevent illegal crimes, we should start from me and start from small things. We should be careful to make friends, prevent slow progress, avoid bad habits and nip in the bud.