As we all know, smoking is very har

As we all know, smoking is very harmful to human body. It can not only affect human respiratory system, but also cause other diseases and even make smokers suffer from cancer. However, everyone should know that smoking in public is extremely irresponsible. This kind of behavior is extremely selfish and allows others to smoke secondhand smoke only for their own feelings. However, as a public place, schools often find smokers. Do these people not understand the harm of smoking? Or do you not know that your actions will endanger others and your health? Obviously, they understand everything. No smoker is unaware of the harm of smoking. Smoking in public places is a sign of weak self-control and extreme irresponsibility. If we want to achieve a ban on smoking in schools, I think we should not only publicize the harm of smoking, but also take coercive measures to control smoking behavior. We can punish and warn people who smoke in public places, and make clear what smokers will be done if they are found many times. School is a place where we live and study together. If we cannot guarantee our health and improve our self-control in school, we cannot know what will happen in society.