The principle of ventilation nasal patch is the physical effect, through the adhesion of the nasal cavity around the tension to expand the nasal cavity, so that breathing more smoothly, can improve the respiratory tract by physical means, so that the respiratory tract expansion, reduce the resistance of the nose airflow, improve the ventilation of the nose, so as to strengthen and improve the role of breathing, temporary relief of nasal congestion, nasal congestion, so that breathing more smoothly. In fact, the causes of nasal congestion are mainly upper respiratory tract infections, rhinitis and other diseases, in the application of ventilation nasal patch should also be treated with drugs for the original disease, more common is the application of anti-bacterial, anti-viral drugs for adjustment, such as blue scutellaria oral solution, busulfan oral solution, amoxicillin clavulanic acid potassium, as well as symptomatic application of ambroxol, etc., can be able to improve the symptoms of nasal congestion.