Obesity is caused by excessive body fat, when the body’s energy intake is lower than consumption will cause the breakdown of stored fat, to achieve weight loss effect, want to achieve the purpose of weight loss, need to reduce calorie intake or increase energy consumption, to achieve a negative balance of energy metabolism. The energy content of staple foods and fat-rich foods is high, tomatoes are rich in nutrients and contain a variety of vitamins and minerals, which are low-calorie foods. More tomatoes can reduce the intake of other high-calorie foods, which helps to lose weight, and no food should be consumed in excess. If you want to lose weight scientifically, you should pay attention to increasing your daily activity and pay attention to balanced nutrition. Over-reliance on dieting for weight loss can lead to malnutrition, and in serious cases will also cause a decrease in the body’s immune system, leading to serious endocrine disorders and damage to liver and kidney function, which is counterproductive.