In the case of fever 39 degrees, it is not allowed to eat ice cream. Ice cream is first of all a cold food, which can easily lead to the phenomenon of cold in the gastrointestinal tract, causing nausea, vomiting, abdominal pain, diarrhea, once the above symptoms occur, the body’s resistance may be reduced, but easily aggravate the symptoms of fever, which is not conducive to fever recovery. Ice cream is relatively sweet, and sweets tend to remain in the mouth, leading to throat discomfort and even laryngitis, which can also aggravate the symptoms of fever. And ice cream contains more protein, that is, cream, oil content is relatively high, protein, oil in the body digestion and absorption of decomposition and metabolism, will produce excess heat, heat production increased, the body fever will increase. So when you have a high fever it is best not to eat ice cream, this time you need to eat simple and light, easy to digest, drink more plain water is better.