Erythromycin ointment can be applied to the anterior part of the nasal cavity to moisturize and protect the mucous membrane in the anterior part of the nasal cavity, and it also has certain anti-inflammatory and anti-infective effects. Some patients may experience mucosal erosion and bleeding in the anterior region of the nasal cavity, especially in the pear region, and the use of erythromycin ointment has a certain therapeutic improvement effect. If the patient repeatedly has nosebleeds, further detailed examination is needed. It is necessary to carefully and comprehensively examine the condition of the entire nose through nasal endoscopy, check for specific bleeding points and the corresponding causes of bleeding, and then take targeted treatment and improvement measures.