Pimples are medically referred to as acne, a chronic inflammatory skin disease of the sebaceous glandular units of hair follicles. Erythromycin ointment can be applied to acne. Pimples also refers to acne, pimples, which is a chronic inflammatory skin disease, in the treatment of the main anti-inflammatory mainly, at the same time can be combined with some with the dissolution of keratin medication. The main ingredient of erythromycin ointment is erythromycin, which belongs to macrolide antibiotics, and is also more commonly used as a broad-spectrum and highly effective antibiotic, which can be used to treat a variety of bacterial infections of skin diseases, including acne. Adverse reactions to erythromycin ointment are rare, and very few people may experience adverse reactions such as burning sensation and itching during use. Contraindications to erythromycin ointment include hypersensitivity to the drug components. Erythromycin ointment can be used for the treatment of acne, but it is important to regulate the use of the drug under the supervision of a doctor.