One side of the nostril is not ventilated and also runny nose, clinically common in one side has acute rhinitis, as well as acute attacks of chronic rhinitis, this time need to ensure good air around, in this space also to ensure the appropriate temperature and humidity, not too cold, too hot, and not too dry. You can use some methods that can make the nasal cavity smooth, such as steam method, and you can also use hot towels to warm the nasal cavity, and make the capillary blood vessels of the nasal mucosa expand properly, so that the nasal cavity is smooth to improve the ventilation. In addition, you can also take some drugs, such as aminophenanthramine capsules, and other compounded cold medicines containing pseudoephedrine ingredients, such as antiviral oral liquid, blue scutellaria oral liquid, etc. These proprietary Chinese medicines can also be taken appropriately.