The first thing you need to do is to identify whether the fever is external wind-heat or wind-cold, and not to use cold medicine blindly. Different antipyretic drugs can be chosen to treat the fever, taking into account the cause of the fever and the symptoms of the patient. Patients with cold and flu often have a history of external wind chill, such as cold or rain. Patients may have runny nose, headache, aching joints of the limbs, cough with phlegm, which is mostly clear and thin, and may have mild fever, body fear of cold, pale white tongue coating and floating and tight pulse. You can take wind-cold cold granules or cold and fever granules, and drink some ginger soup to disperse the cold. Wind-heat cold is often caused by external wind-heat, the patient will have a sore throat or pus in the tonsils, cough, coughing phlegm (yellow phlegm) fever, light chills, headache, red face, etc., yellow tongue coating, floating pulse. At this time, you can take Shuanghuanglian Oral Liquid, Anti-viral Oral Liquid or Clear Fever and Detoxification Oral Liquid. If high fever occurs, you can take antipyretic drugs, such as p-acetophenol tablets, ibuprofen extended-release capsules, etc. The specific medication and dosage need to be combined with clinical and applied under the guidance of physicians. In addition, if the effect of cold and fever is not good, it is best to go to the hospital to do blood tests and other tests to identify the specific causative agent, and then only to treat the cause of the disease.