Can. Children can properly consume ice watermelon when they have a fever. The main component of watermelon is water, followed by sugar, minerals, vitamins, etc., when the child has a fever, appropriate consumption can replenish water and minerals, to a certain extent, is conducive to reducing dehydration caused by fever. And chilled watermelon can help reduce fever, and will not make the disease worse. If the refrigerator partition storage food is not appropriate, raw meat and fruits and melons stored at the same time, may lead to bacterial contamination, consumption of fruits and melons and other raw food will induce gastrointestinal infections, causing abdominal pain, diarrhea symptoms, therefore, chilled watermelon can best be stored separately, should not be stored overnight, to reduce the risk of contamination. When the child’s fever may be caused by upper respiratory tract infection, you can consume ice watermelon properly, in addition to reducing clothing, lowering the room temperature, the use of ibuprofen and other drugs are effective means of reducing fever, when the child’s spirit is not stable, recurrent high fever, headache, vomiting, you need to seek medical treatment in a timely manner.