Fruits are generally more or less sweet, that is, they all have a certain amount of sugar content, the higher sugar content of fruits are lychee, hawthorn, cinnamon, peach, mandarin orange and so on. Among them, lychee is not only high in sugar content but also has sufficient water, which is rich in sucrose, vitamins, fructose and proteins, which can supplement the necessary nutrients for the human body. Hawthorn, also known as Shanlihong, is sour in the mouth, but its pulp is very high in sugar. Banana is a tropical fruit, due to the growing environment temperature difference so high sugar content, sugar accounted for about one-third. Cinnamon is one of the fruits with the highest sugar content, which is rich in glucose, fructose, vitamins and sweet in the mouth. Peach contains more sugar and protein than other fruits. Mandarin oranges taste like honey so called honey oranges, especially sweet in the mouth, is a favorite fruit of many people, sugar substances accounted for more. Fruits with high sugar content taste good, but should be eaten with caution by diabetic patients to avoid causing high blood sugar. Specific dietary regimens can be consulted with a professional nutritionist.