Erythromycin ointment should not be applied in the early stages of a perianal abscess. Erythromycin ointment is mainly used for the treatment of skin abscesses, burns, ulcers and other infections. It is forbidden for those who are allergic to this product; pregnant and lactating women should be cautious; irritation and allergic reactions may occur with the use of this product. The product should avoid contact with mucous membranes of the eyes, nose, mouth and other parts of the body; if there is itching or burning sensation when using the drug, the drug should be stopped immediately and the drug should be cleaned. Perianal abscess is mainly caused by bacterial infection of the intestinal tract, after the formation of the general inflammation range is larger, perianal pus is more, even in the early stage, applying erythromycin ointment not only can’t control the development of inflammation, but also may cause itching and burning sensation. Therefore, erythromycin ointment should not be used in the early stage of perianal abscess, and should be treated with abscess incision and drainage surgery. Patients with symptoms of perianal abscess should go to the regular hospital in time, under the guidance of the doctor’s treatment, please do not self-medication, so as not to delay the condition.