Nostril pain can be caused by chronic rhinitis, nasal vestibulitis, boils, etc. It can also be caused by friction damage from blowing the nose. Depending on the cause, the treatment will be different, as follows: 1. Chronic rhinitis: chronic rhinitis can lead to inflammation of the nasal mucosa, such as nostril dryness and pain, you can use saline to rinse the nasal cavity or erythromycin ointment to smear the nasal cavity every day, so that the mucosa of the nasal cavity to keep moist, and pay attention to avoiding spicy food, so as not to produce stimulation of the mucosa of the nasal cavity, which will further aggravate the symptoms. 2. Nasal vestibulitis, boils: may be due to repeated nose picking and other stimuli, resulting in inflammation of the follicles in the nasal vestibule, causing nasal vestibulitis, nasal vestibule boils formation, resulting in pain in the nostrils, can be coated with erythromycin ointment, oral amoxicillin, etc. for treatment. 3. Nose blowing friction damage: such as colds and rhinitis, blowing the nose too much, rubbing the skin red, swollen and painful, it is recommended to minimize the friction on the nose, use softer tissues, you can also use water or saline to clean. If the nostril pain, it is recommended to go to the hospital to find out the cause, under the guidance of the doctor to treat, do not arbitrarily use their own medicine. Usually pay attention to keep the nasal cavity clean and hygienic, do not pick your nose, eat less spicy and stimulating food.