Nasal diseases are often more frequent after winter. If they are caused by chronic simple rhinitis, nasal polyps, etc., the nasal cavity should be flushed out, treated with medication or surgery, and if they are caused by allergies, the symptoms should be controlled by oral allergy medication and other treatments. Different types of diseases that cause runny nose should be treated according to different causes and degree of illness. 1. Chronic simple rhinitis and chronic hypertrophic rhinitis, etc.: there may be symptoms such as blocked nose, runny nose, loss of smell, etc., which can be treated by rinsing the nasal cavity with physiological saline, nasal spraying hormones, etc., and turbinate plasma ablation surgery can be carried out if necessary. 2. Allergic rhinitis: it may be due to allergy, allergen testing can be carried out to avoid contact with allergens, oral anti-allergy drugs, such as loratadine, cetirizine and so on. 3. Nasal polyps, sinusitis, etc.: If you suffer from these diseases, you will have a runny nose, you can use saline to rinse the nasal cavity, nasal spray glucocorticosteroids, such as budesonide nasal spray, fluticasone propionate nasal spray, etc. to treat, when the effect of conservative treatment is not obvious, you may need surgical treatment. After the winter, if you have a runny nose all the time, you should actively seek medical attention, and follow the doctor’s instructions to standardize the medication and treatment after a clear diagnosis.