Erythromycin ointment belongs to a kind of antibiotic ointment, which cannot treat sweat duct tumor, but can be used to fight infection after sweat duct tumor treatment. Sweat duct tumor is a kind of misshapen tumor, belonging to benign tumors, usually caused by excessive pressure, endocrine disorders and other reasons, preferably around the eyes. Erythromycin ointment is a kind of anti-inflammatory drug, which is mainly used to treat herpes sores, folliculitis and other infectious diseases. Therefore, erythromycin ointment has no role in treating sweat duct tumors. In addition, the use of erythromycin ointment can produce allergies, dry skin, erythema and other side effects, and patients who are allergic to it are prohibited, so be sure to use the medication reasonably under the guidance of the doctor. Sweat duct tumor is a kind of benign tumor, usually do not need treatment. If you want to treat it, you can use freezing, laser and other ways to remove it, and after treatment you can use erythromycin ointment for anti-infection. It is recommended that patients with sweat duct tumors must be treated reasonably under the guidance of a doctor to avoid blind treatment.