The drug can be used if the glans penis is caused by a bacterial infection that is sensitive to erythromycin; other causes of glans penis other than this are generally not significantly effective. Erythromycin ointment is a macrolide antibiotic, which has an inhibitory effect on most Gram-positive and Gram-negative bacteria, as well as chlamydia and mycoplasma. If the glans circumcision is caused by the above pathogenic bacteria, the drug can be used to treat the condition, which can relieve the condition to some extent. However, the use of erythromycin is ineffective if the glans penis is caused by allergic reactions, phimosis, trauma, precancerous lesions and other causes. Adverse reactions to erythromycin ointment occasionally include irritation and allergic reactions. Contraindications are currently unknown. Avoid contact with eyes and mucous membranes of mouth and nose, etc. If there is any burning sensation or itching at the site of application, the medication should be stopped and washed. If there is a need to use this product, it should be applied under the guidance of a physician, do not self-medication. The appearance of the foreskin glans, should be as early as possible to seek medical advice, follow the doctor’s instructions to choose the appropriate treatment.