Erythromycin ointment belongs to macrolide antibiotics, can not be applied to the nasal cavity. Erythromycin ointment has obvious antibacterial effect on bacterial infections and has the advantages of less irritation, less side effects and wider adaptability, but it should be noted that the use of erythromycin ointment needs to be applied in strict compliance with the doctor’s advice or instructions, and the instructions clearly state that erythromycin needs to be avoided in contact with the eyes and other mucous membranes ((e.g., the mouth, nose, etc.). Therefore, when the patient, even if the erosion or inflammation of the nasal mucosa infection, can not use erythromycin ointment to apply nasal cavity, you can use topical streptomycin nasal drops to control the infection, the use of compound menthol nasal drops to keep the nasal cavity moist. When the patient occurs in the nasal cavity area of inflammatory diseases, you can go to the hospital otolaryngology consultation, by professional physicians to diagnose the use of medication to avoid blind use of medication.