Watermelon is a good summer product. In the hot season, eating two pieces of sweet watermelon will suddenly make you feel cool and quench your thirst. No wonder people call it "the king of melons and fruits". But when eating watermelon, there are also some problems that need attention. Natural summer liver-protecting food There is a proverb in China: Eat watermelon in summer, but don't take medicine. Watermelon is rich in vitamins, protein, iron, calcium, potassium, phosphorus, magnesium, zinc and other minerals, as well as glutamic acid, arginine and fructose. It has the effects of clearing away heat and relieving summer heat, promoting diuresis and lowering blood pressure, and has certain auxiliary effects on high fever and thirst, sweating due to summer heat, nephritis, oliguria and hypertension. This is a rare good fruit. Chinese medicine believes that watermelon has the functions of clearing away heat and toxic materials, quenching thirst and diuresis, and lowering blood pressure, and is the first natural "good medicine" for nourishing the liver. Because watermelon is rich in water, many people think that eating watermelon is equivalent to drinking water. However, one serving of watermelon has the same sugar content as two serving of apples or pears. If you eat watermelon, the amount of other fruits will double. In addition, tomatoes, lemons and plums are also good liver-protecting fruits.