Erythromycin eye ointment is a relatively basic eye drops, with more effects: 1, treatment of trachoma and conjunctivitis: this is the most basic effect; 2, moisturizing: to play the role of moisturizing lubrication; 3, anti-infection: daily life after being mosquito bites, you can apply erythromycin eye ointment, to play the role of anti-infection treatment; 4, other: such as eyes appear wheals, you can use erythromycin eye ointment. If a girl or guy has acne on the face, you can apply erythromycin eye ointment after skin cleaning, which has a better effect. In addition, erythromycin eye ointment is cheaper, more readily available, any drugstore can buy.