The nose always has the symptom of one ventilation and one non-ventilation, often appearing when lying on the side, the nostril at the bottom will not be ventilated, the nostril at the top will be ventilated, change the other side lying on the side, the same symptoms will appear. Most of the above symptoms are the manifestation of chronic rhinitis. Because of repeated colds or acute rhinitis attacks, the mucous membrane in the nasal cavity, especially the turbinate mucosa, is infected by bacteria and viruses, causing repeated hyperplasia and hypertrophy and symptoms. The first treatment is to reduce the onset of colds and rhinitis, and secondly, you can treat the nasal cavity with sprays such as Nesuna and Cochlear, and finally, you must pay attention to your diet, avoid spicy and stimulating food, do not smoke and drink, and focus on a light diet.