Swelling and congestion on one side of the nasal septum is often seen in trauma, septal deviation, rhinitis and other causes, feasible drug or surgical treatment. 1. Trauma: history of nasal trauma can cause hematoma and abscess in the nasal cavity, mostly accompanied by local pain. Local incision and drainage or local puncture to extract blood and pus are often chosen to treat, so that necrotic tissue can be removed. Use hydrogen peroxide and povidone-iodine rinse, and oral antibacterial drugs, such as amoxicillin and other anti-infective treatment. 2. Deviated nasal septum: the nasal septum is deviated to one side or there is a localized protrusion, if the patient is accompanied by acute rhinitis, there can be this symptom. Anti-inflammatory and pain relieving drugs such as acetaminophen and ibuprofen are often applied. If the patient has symptoms such as nasal congestion, dizziness, headache, etc., after the acute inflammation is controlled, sinus endoscopic septal deviation correction is feasible. 3. Rhinitis: acute and chronic rhinitis can also appear nasal septum mucosal congestion, swelling, hypertrophy and other symptoms, saline nasal spray can be used to clean the nasal mucosa, with the use of decongestants such as hydroxymetazoline to promote vasoconstriction, relieve symptoms. Nasal septum side of the swelling and congestion of more reasons, it is recommended that the patient timely medical examination and treatment, the above drugs should be used in accordance with medical advice.