Eating cucumbers and tomatoes can play a role in weight loss, because cucumbers and tomatoes contain fewer calories, can provide vitamins, inorganic salts, water and less carbohydrates, eating cucumbers has a diuretic effect, through the urine can take away part of the calories, eating tomatoes will produce a sense of satiety, can reduce eating. The calorie content of cucumbers and tomatoes is very low and does not cause calorie buildup when consumed. From a nutritional point of view cucumber and tomatoes are very rich in fiber, vitamins, both food intake in the body can increase the feeling of satiety, promote intestinal peristalsis, can reduce the intake of other foods, so as to achieve the desired weight loss effect, you can eat cucumber and tomatoes on an empty stomach, but do not eat too much for a long time, because a long time to eat a lot of these two foods can lead to gastrointestinal damage.