Eating tomatoes for a day usually does not result in a significant change in weight. Weight loss requires long-term dietary control, and it is not recommended to consume a single food for weight loss. Tomatoes are relatively low in calories, appropriate intake to help control the total calorie, dieters can eat more appropriately. Every 100 grams of tomatoes contain 15 calories, of which 3.3 grams of carbohydrates, 0.9 grams of protein, 0.2 grams of fat, 1.0 grams of fiber. Tomatoes also contain a variety of vitamins such as vitamin C, lycopene and so on. Weight loss is a long-term process, to avoid rapid weight loss, such as the use of extreme ways to lose weight, which may lead to extremely unbalanced nutritional intake, affecting health. During the weight loss period, in addition to the consumption of tomatoes and other low-calorie vegetables, but also to combine some high-quality protein, such as fish, soy products, try to balance the nutrition, a variety of foods are appropriate intake, combined with aerobic exercise is more conducive to weight control.