Fruits are highly nutritious and rich in many vitamins and trace elements, which provide a variety of nutritional supplements and health benefits. Fruit is a collective term for most plant fruits that are directly edible, juicy and mostly sweet. Most fresh fruits contain 85% to 90% water and are also a good source of vitamin C, potassium, magnesium and dietary fiber (cellulose, hemicellulose and pectin). There are many types of fruit, according to the shape and characteristics of the fruit can be roughly divided into five categories: berries such as grapes, strawberries, etc.; melons such as watermelon, cantaloupe, etc.; citrus, such as oranges, pomelo, etc.; nuts such as peaches, plums, jujubes, etc.; nuts, such as apples, pears and so on. Fruits are rich in a variety of organic acids, such as if acid, citric acid, malic acid, tartaric acid, etc., can stimulate the body’s digestive gland secretion, enhance appetite, while the organic acids on the stability of vitamin C has a protective effect. Some fruits are rich in dietary fiber, especially with more pectin, this soluble dietary fiber has increased intestinal peristalsis, beneficial to health.