The diet in the university canteen is introduced as follows: breakfast: 400g of soybean milk, 85g of steamed bread, 85g of eggs, 65g of pickles, Chinese food: fried eggs, rice with mutton and pickled peppers and shredded radish,100g of dinner: braised kelp steamed bread slices, friends and one. In order to lose weight, some people use apples instead of meals, and others have specially formulated a special "Apple Diet" for this purpose, which shows that apples do have the effect of losing weight. Apples are rich in pectin, which can help the intestines combine with toxins, accelerate detoxification in the body and reduce the absorption of calories. In addition, apples are also rich in potassium, which can effectively prevent leg edema.