Fever caused by diarrhea needs to be clear cause, targeted treatment, can be through physical cooling or ibuprofen, levofloxacin, ribavirin, montelukast and other drugs. If the patient is acute gastroenteritis caused by diarrhea, it will be accompanied by fever, if it is not very high, can be through physical cooling, if the patient’s temperature is higher than 38.5 ℃, need to take antipyretic drugs under the guidance of the doctor, such as ibuprofen or acetaminophen, in order to avoid the occurrence of febrile convulsions. It is recommended that patients need to go to the hospital in time, can be further examined and clarify the cause of the disease, follow the doctor’s instructions to take targeted treatment, for bacterial infections, it is recommended that patients can take levofloxacin under the guidance of the doctor to treat, viral infections caused by diarrhea and fever, it is recommended that under the guidance of the doctor to take ribavirin to treat. For severe diarrhea, antidiarrheal agents such as montelukast can be used as appropriate. It is recommended that patients with diarrhea resulting in fever, it is recommended to go to the hospital in time, can be under the guidance of the doctor symptomatic treatment.