According to the amount of sugar in food, people divide it into three categories: high sugar, low sugar and sugar-free food. Foods with high sugar content mainly include edible sugar and various grains. Low-sugar foods mainly include vegetables, fruits and meat. Sugar-free foods mainly include various edible vegetable oils. \x0d\\x0d\ High-sugar fruits: bananas, grapes, lychees, longan, jujube and red fruits. Sugar fruit: watermelon, apple, pear, orange, strawberry, orange, kiwi fruit, pineapple \ x0d \ x0d \ low sugar fruit: grapefruit, cucumber, tomato, carambola and green plum.