If there is a sudden flow of water from one side of the nostril, you can promptly press the Yingxiang point on both sides of the nostril, 0.5 inch away from the nostril with your hand. You can also take anti-cold medication or anti-allergy medication in time, such as cetirizine syrup and anti-cold medication such as compound aminoglutethimide tablets. The sudden flow of water from one side of the nostril is caused by cold air stimulation, resulting in nasal mucous membrane sensitivity, so timely administration of anti-allergy drugs has a certain therapeutic effect, especially in the cold winter, patients with a history of rhinitis, it is easy to appear on one side of the nostril flow of water and accompanied by sneezing, nasal congestion and other symptoms, the patient is recommended to exercise, increase their own resistance, to resist the natural seasonal exchange caused by It is recommended for patients to exercise and increase their resistance to resist rhinitis caused by natural seasonal changes.