Nasal mucosal erosion, which may be inflammation, ulceration, or nasal cancer, needs timely medical treatment and can only be determined through pathological examination. There are many causes of nasal mucosal erosion, such as dry rhinitis, deviated nasal septum, nasal vestibulitis, allergic rhinitis, diabetes and poor environment, drug abuse, bad life habits (nose picking). When the nasal mucosa is persistently or repeatedly eroded, it is necessary to pay attention to it and consult a doctor in time to exclude the possibility of nasal cancer, and biopsy is needed to carry out pathologic examination and make a clear diagnosis. It is recommended that people with nasal mucous membrane erosion should consult a doctor in time for examination and targeted treatment under the guidance of a doctor after clarifying the cause of the disease. People with recurrent nasal mucous membrane erosion need to consult a doctor regularly during the treatment period in order to monitor the changes of the condition.