Gastrointestinal upset causes fever, which is usually caused by acute gastroenteritis. If the body temperature exceeds 38.5℃, it can be treated with antipyretic ibuprofen and nimesulide. The main cause of gastrointestinal discomfort is gastrointestinal inflammation, common clinical symptoms: abdominal pain, diarrhea, fever, nausea and vomiting, loss of appetite, etc., or manifested as gastrointestinal discomfort, regardless of the severity of the condition, patients should pay attention to the onset of the disease before the onset of the active conditioning treatment to avoid the health of the body again affected. If fever occurs, when the body temperature exceeds 38.5 ℃, you can take antipyretic ibuprofen, nimesulide treatment. When the body temperature is less than 38.5 ℃, you can use physical cooling, such as warm water, ice packs, alcohol to cool down, you can soak a towel in warm water or alcohol, and then wipe the armpits, elbow sockets, palms, groin, popliteal fossa, etc., or put ice packs on the forehead, neck and armpits in order to cool down. If diarrhea occurs, Montelukast can be taken to stop diarrhea, and anti-inflammatory drugs norfloxacin or berberine hydrochloride can be given. Gastrointestinal discomfort with fever, it is recommended to consult a doctor in a timely manner, under the guidance of a physician to use medication, to avoid self-medication, delay the condition, while drinking more water, to maintain indoor air circulation, to prevent the cold, eat a light diet, eat easy to digest, nutrient-rich food, reduce the burden on the stomach and intestines.