Nasal insufficiency may be related to congestion and edema of nasal mucosa caused by viral infection of cold and flu. At present, there is no fast way to make the nose breathe, but the symptoms of nasal congestion can be improved through physical therapy and medication. 1. Physical therapy: patients can promote local blood circulation by applying hot compresses to the nose, which can help improve the symptoms of nasal congestion. 2. Medication: If the symptoms of nasal congestion are severe, patients can also use medication such as ephedrine hydrochloride nasal drops and naphazoline nasal drops to help improve the symptoms of nasal congestion. Nasal congestion can also be caused by other diseases, if the symptoms of nasal congestion are not relieved or aggravated, it is recommended to go to the hospital, under the guidance of the doctor to standardize the treatment, so as not to delay the condition.