Do not eat high-fat and high-calorie foods, try to drink skim milk and eat less snacks. In addition, it is wrong to think that eating watermelon can lose weight. On the contrary, watermelon has a high sugar content. You can try bitter gourd. You may not be used to it at first, but you will get used to it later. By the way, don't forget not to let your health be harmed while keeping in shape. You can also eat more apples. As for those diet pills on the Internet, you must never sell them.