Whether to forbit smoking or not has become a controversial issue in the last decade. Although there are people who claim smoking should be made legal, many people claim that smoking should be illegal. To begin with , smoking is very harmful for health ; especially it causes bad consequences for heavy smokers. For example , too much smoking can lead to lung cancer , throat cancerand heart attack which are fatal diseases. Especially heart attack is the reason for many people's death. According to World Wealth Organization (WHO), 11 000 people die due to smoking in the world per day. Secondly smoking has bad effects on non-smokers. They have to inhale the smoke coming from cigarette and estimated that being a second hand smoker is as dangereous as being a smoker. To illustrate they don't have a filter becoming from the outside so they suffer more. despite those strong arguments against the issue, those who are smokers claim that people have the right to do whatever they want. They believe forbit smoking deprive humans from choosing freely. On the other hand, in this opinion, they don't consider non-smokers. As a result, no serius reason to support smoking should be legal. In conclusion, it is crucial that ban of smoking is necessary to have a healty life.