Nasal congestion is generally not a quick relief, but to choose the targeted treatment according to the cause of the disease and the degree of symptoms, nasal congestion is often caused by colds, allergic rhinitis, nasal cavity structural abnormalities, etc., and need to use medication, surgical treatment. 1. Colds: upper respiratory tract infections caused by colds can lead to congestion and edema of the mucous membrane of the nasal cavity, which may lead to nasal congestion. Bacterial infections can be treated with antibiotics under the guidance of a doctor, such as amoxicillin, azithromycin and other drugs, if the viral infections can be used oseltamivir, ribavirin and so on. 2. Allergic rhinitis: this disease can also cause nasal congestion, you can take anti-allergy treatment under medical advice, such as fluticasone propionate nasal spray or azelastine hydrochloride nasal spray. 3. Nasal structure abnormality: if there is a deviated nasal septum and turbinate hypertrophy and other conditions, may also cause nasal congestion, at this time can be based on the type of disease for surgical treatment to relieve nasal congestion. Nasal sinus tumors and nasal polyps may also cause nasal congestion. Patients who have nasal congestion without relief should go to the hospital in time for a clear diagnosis and standardized medication and treatment to avoid delaying the condition.