Iodophor can be rubbed with erythromycin ointment. Iodophor first plays a bactericidal role, erythromycin ointment also has antibacterial effect, so it can be used, do not need to worry too much to keep a good attitude, if the patient wound is relatively large should immediately go to the hospital. Erythromycin is an antibiotic that can kill bacteria, including gram-positive bacteria, negative cocci and bacilli, and is a broad-spectrum antibiotic. It can be used on skin surfaces, wound surfaces, inside wounds, in the mouth, mucous membranes, and perineum. There is no drug interaction between the two, so it is possible to use erythromycin ointment after disinfecting with iodophor. It should be noted that erythromycin ointment may occasionally cause adverse reactions such as local burning, dryness, itching, erythema, and occasionally urticaria-like reactions. If these symptoms occur, patients are advised to go to the hospital for timely treatment.