Fragrant oil fried Cangdongzi improve rhinitis is not scientific, Cangdongzi has wind-cold, through the nose, the efficacy of wind-dampness, there is a certain improvement in the role of rhinitis, but generally applicable to cold rhinitis runny nose, but not for hot rhinitis runny nose. Cang Er Zi is pungent, bitter, warm; poisonous, belonging to the lung meridian, with the dispersal of wind-cold, through the nasal orifices, the efficacy of expelling wind-dampness, can be used for wind-cold headache, nasal congestion, nasal congested, nasal abyss (mainly manifested as filthy nasal discharge, the amount of wipe is not clean), rubella itchy, wet paralysis constriction, therefore, in the clinic, Cang Er Zi is often used in the treatment of rhinitis, but also through the orifices of the nasal granules, and so on many of the Chinese patent medicines for the treatment of rhinitis components. The treatment of rhinitis with Cangdongzi requires the combination of different traditional Chinese medicines under the diagnosis and treatment of professional doctors in order to achieve a better therapeutic effect. The efficacy of a single Chinese medicine is limited, and Cang Er Zi is warm and hot in nature, so it is generally applicable to cold rhinitis with clear nasal discharge, and cannot be used for hot rhinitis with yellow nasal discharge. But Cang Er Zi has a small poison, generally should not be used for a long time, it is recommended to use the drug under the guidance of a doctor, not blindly self-medication, in order to avoid adverse effects.