Ulcers on the inside of the nose, which may be caused by a dry environment or rhinitis, can be treated by reducing nasal irritation, nasal rinsing, and medication. 1. Reduce the stimulation of the nose (1) Stop the action of stimulating the nose: pay attention to stop the action of stimulating the nasal mucosa such as picking, kneading, pinching, etc., and pay attention to use sterile cotton swabs to clean the nasal secretion. (2) Maintain appropriate indoor temperature and humidity: if necessary, a humidifier can also be added to avoid an overly dry environment. (3) Avoid contact with allergens in the environment: wear a mask outdoors and stay away from substances that irritate the mucous membrane of the nasal cavity, such as dust and pollen. 2. Nasal rinsing: Normal temperature saline or physiological seawater can be used for nasal rinsing, paying attention to a small number of times. It should be noted that if the area of nasal mucous membrane damage is large, rinsing should be avoided to cause the spread of inflammation. 3. medication: if the ulceration is serious, you can use local compound menthol nasal drops to increase nasal wetting; if the nasal mucosa ulceration caused by rhinitis, you can use antibiotics such as cefoperazone, but also with vitamin C and other drugs. The inner wall of the nose ulceration causes more, should actively seek medical systematic examination, clear diagnosis and follow the doctor’s instructions to standardize the use of drugs and treatment.