Currently, non-activated naval warfare is a new phenomenon, completed recently, this phenomenon has occurred continuously in schools, revealing a more dangerous and important nature. What is worrisome is that the lead to jet lag when it is very simple such as collision while joking, on the way to school, the problem of talking bad about each other on forums, social networks, ...We must actively practice life skills, be obedient and polite to our grandparents, parents, and teachers. Follow the school rules well. Avoid violence. say no to violence. If you see a violent phenomenon, you must promptly report it to the school, teacher or competent agency for timely intervention and handling.