Smoking refers to the inhalation and exhalation of fumes from burning tobacco in cigars, cigarettes and pipes. According to smokers, smoking is very relieving activity which alleviates the intensity of depression, tension and anxiety. On the other hand, as a matter of fact, smoking is only temporal escape from adversities of life. Tobacco smoke contains nicotine – a poisonous alkaloid- and other harmful substances like carbon monoxide, ammonia, prussic acid and number of aldehydes and tars. Study has proved that cigarette smoking is a serious health hazard. It has significant effect on lungs contraction and causes cancer of lungs and mouth and other cardiovascular diseases. Smoking affects those associated with smokers too. So it should be abandoned completely world wide.