Erythromycin eye ointment is a class of anti-inflammatory eye ointment, which does not contain hormones and is mainly used for the treatment of chronic and acute conjunctivitis, or keratitis and some other bacterial infectious inflammation of the eye surface, generally common ophthalmic application of eye ointment has the following categories: 1, antibacterial class, including erythromycin eye ointment, oxyfloxacin eye ointment, levofloxacin gel. 2, simple hormone eye ointment. 3, must be To be cautious is the antibiotics and hormones mixed together eye ointment, generally will be applied to the post-surgery anti-inflammatory use, usually in the outside pharmacies is not available. Erythromycin eye ointment has a history of application for decades and is relatively safe.