It is mainly used for the treatment of influenza, which is characterized by fever, high fever, bad chills, muscle pain, nasal congestion, runny nose, sore throat, headache, dry throat, red tongue with yellow or greasy coating. In short, Lianhua Qingfei capsule is mainly a medicine for clearing heat, while wind-cold cold is mainly caused by wind-cold attacking the muscle surface, so taking Lianhua Qingfei capsule is not symptomatic. If it is wind-cold cold, you can take wind-cold cold granules orally, and you can also take ginger and brown sugar water orally for regulation. The capsule is mainly suitable for influenza caused by warm disease or wind temperature, and is not suitable for wind-cold cold.