Smoking and weight loss are not necessarily linked, smoking patients have thin and fat, so smoking does not lose weight. Weight loss requires dietary control and physical exercise, dietary control is mainly energy intake, less food containing more oil, you can control very much energy intake, most people are too obese, mainly intake of large amounts of sugar and fat. After the occurrence of obesity to change the dietary structure, reduce the eating out of oil-rich foods, more cooking at home, stir-frying, cooking less oil. Carbohydrate intake should also be controlled, according to body weight to calculate how much carbohydrate intake per day is more appropriate, do not eat more. But also more physical exercise, will consume too much energy consumption.