Colds with chills and fever, i.e., chills and fever, are caused by viral infections leading to a rise in body temperature, and can be treated with general therapy and medication if necessary. 1. Common cold: Mostly caused by common rhinovirus, respiratory syncytial virus, coronavirus, etc. It may manifest as nasal congestion, runny nose, fever, headache and other symptoms. Antiviral treatment is usually not necessary. If the symptoms are severe, symptomatic treatment is sufficient. 2. Influenza: It is an acute respiratory disease caused by influenza viruses, and the symptoms of influenza are more serious than those of common cold. It is often characterized by high fever, fatigue, headache, cough, generalized muscle pain and other symptoms of systemic poisoning, while respiratory symptoms are less severe than the common cold. Antiviral drugs such as oseltamivir should be used under medical supervision, and the rest of the symptoms should be treated symptomatically. Cold and fever are actually cold and fever, which is a pathological symptom caused by the abnormality of the body temperature regulation center. If the body temperature is less than 38.5 ℃, can be applied to ice patches, alcohol wipes and other physical cooling; if the body temperature is greater than 38.5 ℃, can be given to acetaminophen and other antipyretic and analgesic drugs to reduce fever. During this period, pay attention to drink more water to prevent dehydration. If the cold symptoms are serious or high fever, you need to consult a doctor in time, under the guidance of the doctor’s treatment, so as not to delay the condition.