Moderate consumption of apples can provide the body with some energy, replenish some of the required nutrients, to a certain extent, to maintain the normal activities of life, but should not be long-term large amounts of intake. Apples can provide the body with certain nutrients, but as food is not equivalent to the efficacy and effect of drugs. Apple is a kind of fruit with rich nutritional value, which contains protein, sugar, a variety of vitamins and minerals and other nutrients needed by the human body, which can maintain the normal physiological function of the human body. Because the apple as a food, its effective content of substances is limited, is not able to replace the drug to treat the disease, so there is no drug efficacy and effect. The general population is suitable for eating apples, but those who are allergic to apples are prohibited from consuming them, so as not to induce abdominal pain, rashes, itchy skin and other allergic reactions. In addition, apples can also be consumed with other types of food, balanced diet, to ensure that the nutritional intake of adequate and comprehensive.