Patients with fever caused by gastrointestinal diseases can take probiotics or enteritis to treat enteritis along with fever-reducing drugs to maintain the balance of intestinal flora and to stop diarrhea, but when taking drugs, they need to take them as prescribed by the doctor. Patients with fever can use physical cooling methods to reduce the body temperature by wiping the limbs and forehead with warm water. In addition, patients can take oral ibuprofen pellets to reduce fever. If the fever persists because of gastroenteritis, the patient can go to the hospital for blood tests and intestinal function, and can take some antibiotic drugs such as ofloxacin. It is also necessary to pay attention to the daily diet, eat more easily digestible food, and pay attention to rest. In addition, patients who experience increased vomiting and diarrhea need to be promptly checked for the presence of bacterial infections before symptomatic treatment is given to the patient.