Apples are a common fruit containing vitamins, minerals and other nutrients, which have a certain nutritional value, and moderate consumption can replenish the required nutrients. The water content of apples is high, accounting for 85.9%, and the main nutrients are carbohydrates, accounting for 13.5%. In terms of vitamins, the carotene content of apples is relatively high at 20mg/100g, and in terms of minerals, the potassium content of apples is high at 119mg/100g. Moderate consumption of apples can provide some of the nutrients needed by the human body, but to maintain the normal physiological activities of the body requires a wide variety of nutrients, only by consuming apples can not provide all of them, so it is recommended to eat a balanced diet, food diversity.