Nostril blockage is usually caused by inflammation of the nasal cavity, nasal septum deviation, nasal tumors and other diseases. There is no fastest way to ventilate the blocked nostrils, and if you want to restore the function of ventilation, you need to carry out medications such as decongestants, hormones or surgical treatments. 1. Acute rhinitis: Nasal inflammation caused by nostril blockage, you can give the appropriate nasal decongestant, such as ephedrine nasal drops, etc., in order to relieve nasal mucosal congestion and reduce inflammation. 2. Nasal septum deviation: once the symptoms of persistent nasal congestion appear in this disease, surgery is often considered to correct the structural abnormality. 3. Nasal tumor: Nasal tumor is a common cause of nasal congestion, there are many types of tumors with different biological characteristics, and surgery, radiotherapy and other comprehensive treatments will be taken after perfecting systematic examination to clarify the characteristics of the disease. If you want to restore the ventilation in time after the blockage of nostrils, you need to go to the hospital in time for examination and diagnosis, and then go for standardized treatment.