As the name implies, wind-cold cold is the feeling of the evil of wind-cold, such as getting cold in the rain, wearing less clothes and getting cold, or blowing air conditioner after sweating, etc., and the symptoms of cold such as bad cold without sweat, headache and body pain, runny nose, cough and white phlegm appear. Wind-heat colds are usually caused by the feeling of wind-heat evil, such as wind or hot wind blowing on the day of ambush, and the symptoms of colds such as slight wind, sweating, fever, sore throat, runny nose, coughing and spitting yellow phlegm. However, if the wind-cold cold is not cured for a long time, the wind-cold evil in the body becomes heat; or the patient is usually Yang Sheng body, usually easy to get fire, sore throat, toothache, etc.; or the wind-cold cold overdose of hot dispersing drugs, the wind-cold evil turns into wind-heat evil; their cold symptoms are manifested as wind-heat cold, this time the wind-cold cold is transformed into wind-heat cold.