Watermelon can clear away heat and relieve summer heat, because from the perspective of traditional Chinese medicine diet, watermelon is cold, clear away heat and relieve summer heat, juicy in texture, and can quench thirst by promoting fluid production. Proper consumption in summer can relieve summer heat well.

Watermelon, sweet in taste, can ooze moisture and induce diuresis. Proper consumption of watermelon can obviously relieve edema caused by poor urination.

Watermelon also contains a small amount of carbohydrates, vitamins, minerals and so on. It can replenish enough liquid for the body, thus achieving the effect of relieving boredom and quenching thirst.

Watermelon, a cucurbitaceae plant, is known as the "king of summer". Watermelon is an annual vine with thick stems and branches, thick tendrils, short hair, thick petiole, densely pilose leaves, triangular oval outline, white and green fruit, nearly spherical or oval, juicy meat and smooth skin.