Phimosis is an inflammation of the head of the penis or the foreskin of the penis caused by infection, trauma, irritation, allergies and other factors on the glans of male patients. There are many reasons for patients to develop circumcision, the most common reason is infection, and the causative bacteria include Candida, anaerobic bacteria, Staphylococcus aureus, syphilitic spirochetes, herpes simplex virus and so on. Such patients can use erythromycin ointment to treat circumcision, but erythromycin can only treat bacterial infections caused by circumcision, other causes such as fungal infections caused by circumcision, erythromycin ointment role is not obvious. 1, bacterial infections: if the patient’s circumcision is anaerobic bacteria, staphylococcus aureus and other bacterial infections caused by the patient, you can use erythromycin ointment to apply. In addition, the patient can also follow the doctor’s instructions to use betamethasone cream or oral erythromycin enteric-coated tablets, amoxicillin capsules and other antibiotic treatment; 2, fungal infection: if the circumcision is a fungal infection caused by the use of erythromycin ointment basically has no effect, then we recommend that the patient to follow the instructions of the use of itraconazole, fluconazole, and other antifungal drugs; 3, other reasons: if the allergy or other reasons lead to circumcision, with erythromycin ointment will not be obvious. The first thing you need to do is to use erythromycin ointment, which will not have a very good effect. However, if there is redness, pain, itching and other inflammatory symptoms, regardless of the cause of the disease, the patient can use erythromycin cream to relieve the symptoms of inflammation. In addition to the use of medication, patients should also keep the foreskin, glans clean and hygienic, it is recommended to wash with water every day, after washing to keep the local dry, clean, and then topical medication. If the patient’s circumcision recurrence, if necessary, can go to the hospital for circumcision treatment.