Apple is just a common fruit, there is no special effect, eat one every day can provide dietary fiber, vitamins and other nutrients for the human body. Apple is a common fruit, has a certain nutritional value, rich in dietary fiber to help promote intestinal peristalsis. It also contains vitamin C, B vitamins, vitamin E, potassium, etc., as well as malic acid, tartaric acid, etc. and glucose, fructose and other nutrients, which can provide the body with the required nutrients. However, the content of food effective substances is limited and cannot achieve the purpose of treating diseases without any therapeutic effect. Except for people who are allergic to apples, most people can consume it, but they should pay attention to moderation. Daily food should be diversified, reasonably matched, eat small meals, and the important thing is balanced nutrition.