Colds are generally categorized into common colds and bacterial colds. The common cold is generally an infection of the upper respiratory tract, often caused by a virus. Fever is the most common symptom of a cold. Upper respiratory tract infections are often triggered by low immunity caused by cold, rain or excessive fatigue, etc. They are usually caused by viral infections, such as adenovirus, influenza virus, rhinovirus, respiratory syncytial virus, etc. The clinical symptoms include sneezing, runny nose or sore throat. General clinical symptoms include sneezing, runny nose or sore throat and generalized pain symptoms, which may be accompanied by fever. If this happens, you should go to the hospital to do routine blood tests to initially determine the cause of the disease, such as viral infections, white blood cell counts are mostly normal or low, with an elevated proportion of lymphocytes; while bacterial infections, white blood cell counts often increase, with neutrophilia or left shift of the nucleus phenomenon. Then according to the different causes of cold and fever, to choose different drugs, if it is a viral infection, you can take oral antiviral oral solution, Shuanghuanglian oral solution, cold Ling granules, etc.; if it is a bacterial infection, you can apply penicillin or cephalosporin and other antibacterial agents. In case of low fever, oral Chaihu Oral Liquid can be taken. If the fever temperature is high (>38.5℃), you can take acetaminophen, ibuprofen and other antipyretic and analgesic drugs. Specific medication and dosage, should go to the hospital interview, under the guidance of the doctor to use drugs. In conclusion, cold and fever is a relatively common symptom, if the temperature is below 38.5 ℃, usually take physical cooling first. In addition, you should also pay attention to drink more water, eat more fresh fruits and vegetables. Avoid spicy stimulation, pay more attention to rest, enhance the body’s immunity and resistance. General viral cold can be self-cured, the course of the disease about 1 week, to symptomatic treatment.