High fever with vomiting and diarrhea is the first consideration for gastrointestinal problems. For example, acute gastroenteritis, combined with acute upper respiratory tract infection, resulting from the presence of a gastrointestinal type of cold. In this case, blood and stool tests are recommended. Take care to ensure that the patient is not overly dehydrated, which may affect liver and kidney function and electrolyte disorders. It is advisable to take some rehydration salts, either orally or intravenously with a drip of energy combination. In addition, check the electrolytes, blood glucose and lipids, and pay attention to the stable monitoring of vital signs. According to the stool routine and blood routine examination, the cause of the disease will be determined and the etiology of the disease will be treated. Symptomatic treatment is also important in the process, in addition to maintaining the patient’s energy, ensuring the body’s water balance and electrolyte balance, you can also use some symptomatic drugs. For example, probiotics can be used to regulate the balance of the intestinal flora, and oral solutions can be given to strengthen the spleen to regulate the function of the gastrointestinal tract. For example, the oral liquid for spleen and the oral liquid for spleen. If necessary, you can take montelukast, which can protect the gastrointestinal membrane and stop diarrhea. Treat the cause of the disease according to the test results and keep a follow-up appointment.