Nasal ulcers can be caused by external effects, medications, and nasal lesions. It is recommended to do a good job of local care, give topical drugs, oral drugs, surgical treatment, and there is no rapid treatment. 1. The role of the outside world: often digging the nasal cavity on the nasal mucosa caused by damage, the formation of ulcers. It is recommended to change bad habits and pay attention to the protection of nasal mucosa. If nasal inflammation is induced, erythromycin ointment can be given to anti-infection treatment. Rehabilitation new liquid is given when necessary, which can promote recovery. 2. The role of drugs: long-term use of certain drugs, such as vasoconstrictive drugs, glucocorticoid drugs, leading to ulceration of the nasal mucosa. It is recommended to reduce or stop the use of suspicious drugs, and give recombinant bovine basic fibroblast growth factor gel when necessary, which can promote the recovery of nasal mucosa. 3. Nasal lesions: lesions in the nasal cavity, such as malignant tumors, can form nasal mucosal ulcers. It is recommended to go to the ear, nose and throat department of the hospital, if necessary, through surgical resection, radiotherapy and other comprehensive treatment. When you go out, you can wear a mask to reduce the loss of water in the body. Don’t dig your nose often to cause local irritation. If necessary, go to the hospital, for the cause of the standardized treatment.