Cang Er Zi can treat rhinitis caused by wind-cold, with the efficacy of dispersing wind-cold, rhinitis belongs to the Chinese medicine nose choking, congested nose and other categories, belonging to the wind-cold evidence, or cold and wet evidence type, you can use Cang Er Zi under the guidance of the doctor’s evidence of treatment. Cang Er Zi is the dry mature fruit with involucre of Cang Er, is a kind of flavor pungent, bitter, warm and other Chinese medicinal herbs; Cang Er Zi is poisonous, belonging to the lung meridian. It has the efficacy of clearing nasal orifices, dispersing wind-cold and dispelling wind-dampness. It can be used in the treatment of wind-cold headache, nasal congestion, nasal congestion, nasal abyss (mainly manifested as filthy nasal mucus, the amount of which cannot be wiped clean), wind rash and itching, and dampness paralysis and contracture. It should be noted that this product disperses qi and consumes blood, and should be used with caution by those who are physically weak. Cynanchum should be used reasonably under the guidance of a doctor, and should not be taken without authorization, so as not to cause adverse consequences.