Erythromycin can be used to treat pubic folliculitis, pubic folliculitis is caused by the blockage of hair follicles in women, localized bacterial infections and the possibility of anaerobic infections is relatively high, the use of erythromycin ointment treatment is very effective. Patients in the use of the local need to clean, and then the erythromycin ointment coated in the local, 1 day use 3-4 times, after the use of the local need to be applied to dry before wearing clothes, to avoid friction. If the patient localized folliculitis after erythromycin treatment has no obvious effect, the local mass increases, pus or even ulcerated, this situation can not continue to use erythromycin. Patients need to go to the hospital to find a professional surgeon to cut open the local lump, remove the pus inside, use iodophor to disinfect locally, and then use erythromycin to assist in the treatment.