ABSTRACT: Secondhand smoke is otherwise called as environmental tobacco smoke, cigarette smoke is harmful for both nonsmokers and smokers, this cigarettes smoke contains more than 3000 chemical combinations. In these chemicals more than 350 chemicals are harmful to cause illness. Cigarettes contains nicotine which has an addictive agent. Safety measurement should be taken by caregivers, parents and the owner of certain places like restaurants, mall, bar, etc. Smokers must smoke only in smoking area and it should be ventilated nicely. Tobacco smoke free environment act 2000 and tobacco smoke free environment regulation act 2016, helps to ban smoking in public places and to control the second-hand smoking.