Children with high fever can eat watermelon, and eating watermelon in moderation can replenish water. Watermelon itself contains a lot of water, and is rich in a variety of vitamins. Fever may appear dehydration, electrolyte disorders, at this time you can eat a moderate amount of watermelon to replenish water, promote the body metabolism. But too much watermelon can easily cause abdominal pain, diarrhea and other discomforts. And after eating watermelon, you should rinse your mouth in time, watermelon sugar content is high, if you do not pay attention to oral hygiene, easy to cause dental caries. Watermelon does not have a therapeutic role, children with high fever should promptly seek medical attention to clarify the cause of the fever, and active treatment. When the child has a fever, in addition to active treatment, should drink more water, light diet, you can give the child to eat egg custard, vegetable noodles and other easily digestible food.