Chronic rhinitis belongs to the category of “Nasal Abyss” in Chinese medicine. Cang Er Zi Oil is made from the oil of the Chinese medicine Cang Er Zi. Cang Er Zi has the effect of opening the nasal orifices and can be used to treat chronic rhinitis under the guidance of a professional Chinese medicine practitioner. Cang Er Zi medicine, flavor pungent, bitter, warm medicinal properties, attributed to the lung meridian. It has the efficacy of dispersing wind-cold, clearing nasal orifices and dispelling wind-dampness, and can be used clinically to treat wind-cold headache, nasal congestion and runny nose, rubella itching, and dampness paralysis and contracture. Cang Er Zi is good at opening the nasal orifices to remove nasal congestion, stopping the forehead and nasal distension and pain, with the treatment of nasal abyss headache, do not smell the aroma and odor, when the flow of cloudy mucus, a drug, several effects, both symptoms and symptoms, can be taken internally is also suitable for external use, for the treatment of nasal abyss of the good medicine. It is forbidden to use for those who are allergic to Auricularia auriculae; allergy sufferers should be cautious of using Auricularia auriculae. It should be used under the guidance of a professional Chinese medicine practitioner.