When you have a fever, you should never eat lamb. Mutton has a hair-growing effect, which can aggravate the manifestation of the disease and can also aggravate the symptoms of fever and the symptoms of infection. The calorie content of mutton is relatively high and it is a hot food, which can aggravate the symptoms of fever and cause the phenomenon of fire, for example, it can cause sores on the mouth and lips and herpes. The protein content of lamb is particularly high, and when protein is digested, absorbed, decomposed and metabolized in the body, it generates excess heat, which increases heat production, thus raising body temperature and aggravating the symptoms of fever. Mutton is not easy to digest, during fever, the body’s gastrointestinal tract function will be weakened, the secretion of digestive enzymes will also be reduced, it is easy to occur indigestion, this time if you eat mutton, will cause indigestion, it is likely to lead to nausea, vomiting, abdominal pain, diarrhea symptoms occur. Therefore, it is absolutely not allowed to eat mutton during fever.