Watermelon is rich in vitamins A, B 1, B2, C, glucose, sucrose, fructose, malic acid, glutamic acid and arginine. It has the effects of clearing away heat, relieving summer heat, inducing diuresis and lowering blood pressure, and has certain auxiliary effects on high fever, thirst, summer sweat, nephritis, oliguria and hypertension.

Watermelon is good, but you should also pay attention to eating watermelon. Chinese medicine experts believe that watermelon belongs to cold food and is easy to hurt the spleen and stomach. Therefore, people with spleen and stomach weakness, chronic enteritis, gastritis and duodenal ulcer or loose stool had better eat less. Normal people should not eat more, otherwise it will damage the spleen and stomach and cause indigestion or diarrhea.

Citrus fruits can moisten the lungs and regulate qi, and fresh orange juice contains a variety of creatine and vitamins, which is helpful to human metabolism, whitening and has a variety of health care functions. The white reticular filaments on the surface of orange pulp contain vitamins.

Papaya can treat protein's digestive disorders.