1. Apple skin is insoluble dietary fiber, which can promote intestinal peristalsis, while apple meat is soluble dietary fiber, which has good water absorption and expansibility and promotes the formation of stool. Eating apples properly can prevent constipation and keep the stool unobstructed.

2. Apples contain minerals such as potassium, phosphorus and magnesium, which have a good regulating effect on the heart system and blood pressure. Studies also show that eating apples properly every day can promote heart rate, blood pressure and emotional stability.

3. Apple contains organic acids, which can better regulate taste buds and stimulate appetite, thus stimulating appetite, thereby increasing the intake of other foods and playing a good role in preventing malnutrition;

4. Apples contain pectin, which is a kind of water-soluble dietary fiber, which can clean the intestines. For example, the apple diet meal uses pectin to make people feel full, so as to achieve the purpose of losing weight;

Apples are rich in vitamins, which can excrete harmful elements in the body, such as lead and mercury, so as to improve the body's resistance and immunity.