It is generally not recommended to eat cake when you have a fever, because the gastrointestinal function may be affected when you have a fever, and cake is greasy and not easy to digest, which will aggravate the burden on the gastrointestinal tract. Fever due to high body temperature, affecting the activity of the body’s enzymes, there will be a dry mouth, indigestion, bloating, nausea and other symptoms, appetite is poorer, cake is a cream product is greasy, and many are refrigerated, the state of fever, eating cake will aggravate the burden on the gastrointestinal tract, severe may cause vomiting and diarrhea. Fever is recommended to seek early medical attention, find the cause of the disease, for the primary disease treatment, high temperature need to be given antipyretic drugs such as ibuprofen, acetaminophen and so on. It is recommended to eat a light diet, you can drink millet porridge, rice porridge, noodles and so on.