Nasal vestibule boils can be caused by bacterial infections caused by frequent nose picking and plucking of nasal hairs, or by suppurative inflammation of the nasal cavity and sinuses. 1. Frequent nose picking, nose digging and plucking of nose hairs can cause damage to local hair follicles and infection of the nasal vestibule, which can further lead to the formation of boils, streptococcal infections or Staphylococcus aureus infections, resulting in boils in the nasal vestibule. 2. When suppurative inflammation occurs in the nasal cavity and sinuses, due to repeated irritation of pus, the local skin is damaged and infection is induced, and there may be localized elevation, redness, swelling and pain. 3. Secondary to nasal vestibulitis. 4. People with diabetes or low resistance are prone to this disease. Nasal discomfort actively seek medical attention to clarify the diagnosis, nasal vestibular boils once diagnosed need to follow the doctor’s instructions standardized treatment.