Tobacco use is the leading cause of death worldwide, responsible for 4 million deaths per annum. Tobacco is addictive due to nicotine. Tobacco products are made up of 28 carcinogens, known to increase the risk of developing oral cancers. Cigarette smoke contains over 7,000 chemicals, with 70 chemicals reported to cause cancer.The chemical composition of smoke at different stages of cigarette consumption depends on the frequency, intensity, volume, and duration of puffs. Tobacco raises the risk of cancer, heart attack, stroke, peripheral vascular disease, osteoporosis, chronic obstructive pulmonary disease, diabetes, and reproductive adverse outcomes.The need for taking this topic because there are many methods for quitting the habit, there are recent strategies was discussed in a single place. Dentists particularly Public Health Dentists must concentrate on both the prevention and the cessation of all tobacco products to reduce the overall incidence of tobacco use.