Patients with vomiting and diarrhea and a body temperature of 38 ℃ may be due to acute gastroenteritis, gastrointestinal flu and other diseases, which can be treated by cooling treatment, medication and other ways. 1. Acute gastroenteritis: patients due to dietary impurity, infection and other reasons, patients will appear vomiting and diarrhea, body temperature increased, can be rehydration therapy, drug therapy, such as oral ciprofloxacin, norfloxacin and so on. 2. Gastrointestinal cold: due to gastrointestinal disorders caused by colds, fever, diarrhea, vomiting and other symptoms, can be treated by cooling treatment, such as warm water bath, ice packs, etc., medication, such as nimesulide, pseudoephedrine and so on. The above drugs need to be used under the guidance of a doctor, and should not be used blindly on their own. In addition, it is recommended that patients with vomiting and diarrhea, and elevated body temperature, go to the hospital in a timely manner, so as not to delay the condition.