Children can eat watermelon in moderation during coughing. Watermelon contains glucose, malic acid, fructose, protein amino acids, lycopene, vitamin C and other substances. Children can take a moderate amount of watermelon when coughing to supplement the body’s digestive nutrients and promote the body’s metabolism. However, watermelon belongs to the cool food and children during the disease gastrointestinal function is weak, easy to diarrhea, nausea and vomiting and other symptoms, so in the diet must be moderate. Taking too much watermelon may cause changes in osmotic pressure in the gastrointestinal tract, resulting in diarrhea and vomiting. When children develop cough and other discomforts, it is recommended that they seek prompt medical attention and be evaluated and treated by a specialist to avoid delays.