2, especially watermelon, watermelon is a cold fruit, which has the functions of clearing away heat, quenching thirst, diuresis and hangover. It is often used to treat some oral inflammation, fever and facial redness and pain. Drinking watermelon can relieve symptoms. Watermelon not only contains a lot of glucose, but also contains a lot of water, vitamins and trace elements. Eating watermelon often can reduce fire. In addition to upset, Chinese medicine calls watermelon natural white tiger soup, which can be used for fever caused by some diseases.