Nasal mucous membrane erosion and bleeding is not good for a long time, may be related to the persistence of the cause and not thoroughly treated. Common causes include dry nasal passages, chronic rhinitis or sinusitis, frequent picking and rubbing of the nasal passages and other causes. You can drink more water or use medication to treat it. 1. Nasal dryness: the air may be too dry, drinking insufficient water and other reasons, caused by the brittleness of blood vessels in the nasal cavity, which may lead to nasal mucosa erosion and bleeding for a very long time is not good. Usually can drink more water, indoor can use humidifier to increase humidity, relieve dryness. Or use saline to rinse the nasal cavity. 2. Chronic rhinitis or sinusitis: it may be that chronic rhinitis or sinusitis stimulates the nasal mucosa to cause an inflammatory response, resulting in nasal mucosal erosion and bleeding for a long time. Re-treatment of rhinitis sinusitis at the same time the patient can follow the doctor’s instructions to use cangyi nasal drops oil, compound peppermint oil nasal drops and other drugs for treatment. 3. often picking, rubbing the nasal cavity:, resulting in nasal mucosal damage, hand bacteria, often picking, rubbing the nasal cavity may bring bacteria into the nasal cavity to aggravate the infection. Patients avoid picking and digging the nasal cavity, pay attention to hygiene, avoid aggravating the erosion and bleeding. It is recommended that patients go to the ENT department for examination and treatment to clarify the cause of the disease.