Children with coughs who are not allergic to watermelon are allowed to eat watermelon in moderation. Watermelon is a common fruit that children can eat to replenish their bodies with needed nutrients and provide energy. Children who are not allergic to watermelon can eat watermelon in moderation when they have a cough. Watermelon has a lot of water, can moisturize the throat and diuretic, generally will not aggravate the cough symptoms. But be careful not to let children eat too much at once, excessive consumption may cause indigestion, so that children have abdominal pain, diarrhea and other gastrointestinal discomfort. Children can eat watermelon cough, parents are advised to children during the cough, reasonable with the diet, if there is discomfort in time to go to the hospital.