Nasal congestion, common causes are rhinitis, sinusitis, deviated septum, intranasal swelling, etc. After clear diagnosis, choose general treatment, medication, surgery and other ways. 1. Rhinitis: acute rhinitis, allergic rhinitis, etc., can cause nasal congestion symptoms. For treatment, patients can use physiological sea salt water to rinse the nasal cavity to improve the phenomenon of nasal congestion. In addition, with glucocorticoid nasal spray, such as mometasone furoate nasal spray, tretinoin nasal spray and so on. 2. Sinusitis: the typical symptoms of sinusitis include: headache, nasal congestion, pus and runny nose, loss of smell, etc. If it is clear that it is a bacterial infection, you can choose antibiotic treatment, such as cefdinir, amoxicillin, etc., and cooperate with nasal spray drugs, such as budesonide nasal spray. 3. Deviated septum: Deviated septum can also cause nasal congestion, which needs to be corrected and treated by surgery, so that the problem of nasal congestion can be solved. 4. Intra-nasal masses: Nasal polyps, nasal malignant tumors, etc., can also lead to nasal congestion. Surgery is needed first to remove the swelling and improve the nasal congestion. There are many reasons for nasal congestion, it is recommended that patients go to the hospital in time to improve the examination after the symptoms, follow the doctor’s instructions to use the above medication, not private treatment, so as not to lead to adverse consequences.