A red swollen bag in the nasal cavity should be treated according to the cause, and possible causes include nasal vestibular boils, nasal vestibular cysts with infection, nasal polyps, and inverted papillomas. Treatments include topical medication, incision and drainage, medication, and surgery. 1. For nasal vestibular boils and nasal vestibular cysts with infection, they can be treated as follows: (1) If the erythematous packet is small, conservative methods can be chosen. Apply erythromycin ointment or aloe vera gel locally with a cotton swab, or use traditional Chinese medicine Jin Huang San, Yu Lu San or ichthyol ointment under doctor’s guidance, which can play the role of anti-inflammatory and antiseptic, and alleviate the symptoms of local redness, swelling and pain. (2) If the red swollen bag is large, you can choose the tip of a needle or a small knife to pick out the pus plug, but do not squeeze, and after the pus is out of the pus, apply a wet gauze with iodophor. Or make incision and drainage under local anesthesia to remove the pus and the tissue that has not yet become pus but has been inactivated, and fill the pus cavity with saline, iodophor or petroleum jelly gauze. If accompanied by systemic discomfort, such as headache, fever, etc., antibacterial drugs such as penicillin or cephradine can be used, and oral cleansing and detoxification of Chinese herbal prescriptions. 2. For nasal polyps, you can choose medication such as glucocorticoid nasal spray or surgical treatment such as nasal endoscopy. 3. For inverted papilloma, surgical treatment is the mainstay, including traditional surgery, nasal endoscopic surgery and or a combination of both. Nasal long a red swollen bag may also exist other causes, it is recommended to timely to the hospital of the Department of Pentacenter, under the guidance of a professional doctor medication and treatment, should avoid blind self-treatment.