There is no one trick to relieve diarrhea and fever. Diarrhea fever, consider acute gastroenteritis, may be caused by viral or bacterial infection, may also be caused by bacterial infection, all need to be treated with medication under the guidance of a doctor, and there is no one trick to relieve the method. Viral acute gastroenteritis may be caused by viruses such as rotavirus and norovirus, usually only need to rehydration and medication symptomatic treatment can be used, you can use Saccharomyces boulardii bifidus and so on to alleviate the symptoms, but also the use of intestinal mucosal protective agents, such as montelukast, or the use of pallidomide to stop diarrhea. If the diarrhea fever caused by bacterial infection, you can choose antibacterial drugs, such as norfloxacin, ciprofloxacin, etc., and the symptoms will be relieved after the infection is controlled. If the temperature exceeds 38.5℃, you can choose ibuprofen, acetaminophen and other drugs to reduce fever. The above drugs should be used under the guidance of a doctor, and the specific treatment plan should be carried out under the guidance of a doctor for better treatment of the disease.