Erythromycin ophthalmic ointment is an ophthalmic medication with a low concentration of erythromycin, which can be used to apply to wounds in emergency situations, and to seek medical attention as soon as possible for standardized treatment after initial treatment. Erythromycin ophthalmic ointment applied to wounds can play an antibacterial and anti-inflammatory role, but the wound is too serious or pus, it is not recommended to use this drug. Erythromycin ophthalmic ointment is commonly used clinically to treat trachoma, conjunctivitis, blepharitis, and inflammation caused by extraocular infections. Erythromycin ophthalmic ointment can cause patients to experience occasional eye pain, abnormal vision, and skin sensitization reactions such as persistent redness or skin irritation, among other adverse effects. At present, there is no scientific evidence to clearly state the contraindications of erythromycin ophthalmic ointment, it should be noted that patients who are allergic to the various drug components in this drug are prohibited, and pregnant women and lactating women need to use it with caution under the guidance of a physician. And, in the process of using the drug should not be applied to other mucous membranes, such as the mouth, nasal mucous membrane, etc.; when the patient’s skin feels burning, itchy skin, redness, swelling and other adverse symptoms should be stopped immediately. If there is a need to use erythromycin ophthalmic ointment patients, please consult a professional doctor, and follow the doctor’s instructions for medication.