Don't choose diet products or take diet pills. Any diet pills have side effects. If you lose weight, dieting plus exercise is the best way to lose weight. Drink more water, eat an egg in the morning and eat less staple food. Potatoes can be used instead of staple foods, such as steamed bread and rice. Eat more vegetables, onions, leeks, kelp, fungus, peppers, ginger, are all to lose weight. Try to eat less or not at night. Don't eat immediately after exercise, because it's useless to exercise. Eat more fruits, but don't eat cold ones. Cold fruits can be eaten less.