If a patient has a painful bump inside the nostril, it may be caused by congestion of the turbinate, which usually occurs after a cold or if the patient has rhinitis himself, or sometimes because a fire boil is formed inside the nasal cavity after a fire. For treatment, you can use erythromycin ointment. Apply erythromycin ointment evenly with a cotton swab and then apply it to the patient’s painful area, use it regularly for three days and observe the patient’s change in condition. If it is really painful and affects work and life, the patient can take oral antibiotics to control the infection, commonly used is roxithromycin dispersible tablets, need to clarify the allergy history before using the drug. Pain medication, such as ibuprofen capsules, can also be used. In life, patients need to develop good habits, exercise and improve resistance to avoid making the nose uncomfortable.