Fever and chills should be kept emotionally stable first, don’t be nervous, and make it clear that chills and shivering are the precursor of fever and a necessary stage of fever, and generally the temperature will be more than 39 ℃ or more. At this time to do a good job of keeping warm, you can cover more blankets, when the shivering stops in time to measure the temperature, preferably measure the axillary temperature, drink more warm water and use warm water bath. If the body temperature exceeds 39℃, take ibuprofen, nimesulide, acetaminophen and other antipyretic drugs to help sweat and reduce fever. If the temperature can not be reduced, it is recommended to go to the hospital in a timely manner, check the blood test, C-reactive protein, etc. to further clarify the diagnosis and guide the use of medication.