Breathing through the mouth when sleeping with an inoperable nose needs to be treated according to the specific causes, such as physiological factors, abnormal nasal structure, nasal polyps, adenoid hypertrophy, etc. After a clear diagnosis, general treatment, medication or surgical treatment will be chosen. 1. Physiological factors: due to incorrect sleeping position, usually patients will improve on their own after changing their position, no special treatment is needed. 2. Nasal structure abnormality: If the nose is congenital deformity, it may be the front nostril or the back nostril is occluded, it is easy to have the phenomenon of the nose is not ventilated. Surgery can be considered to correct the deformity inside the nose by removing the excess tissue inside the nose to achieve the purpose of treatment. 3. Nasal polyps: Nasal polyps can also cause the nose to sleep and breathe through the mouth, if the phenomenon occurs for a long time, it is recommended that the patient can be removed through surgery to solve the symptoms of nasal polyps. 4. adenoid hypertrophy: adenoid hypertrophy occurs in children, the main symptom for sleeping nose, mouth breathing, etc., it is recommended to take nasal glucocorticosteroid nasal spray, such as mometasone furoate nasal spray, etc., and the effect of conservative treatment is not good, you can choose surgical treatment, remove the adenoids, so as to improve the symptoms. There are many reasons why the nose does not breathe through the mouth, if you exclude physiological factors, it is recommended that the patient go to the hospital in time to improve the examination, follow the doctor’s instructions to use the above medication and treatment, and not private treatment, so as not to lead to adverse consequences.