Wind-cold flu may change into wind-heat flu. Wind-cold cold is mostly caused by the patient’s external wind-cold, which is often accompanied by severe cold (fear of cold), mild fever, nasal congestion and runny nose, sneezing, headache, etc. The patient’s wind-cold cold is mostly caused by the patient’s external wind-cold. Patients with wind-cold cold who are not treated in time may have symptoms of wind-heat such as yellow snot, sticky sputum, yellow sputum, and increased body temperature, which are mostly caused by wind-cold that enters into the body and transforms into heat, therefore, wind-cold cold may turn into wind-heat cold. It is recommended that cold and flu patients pay attention to rest, avoid exertion, and eat a light diet. Do not take medication without authorization, and consult a professional doctor for diagnosis and use of medication under the doctor’s guidance.