Erythromycin ointment can be used to treat folliculitis due to bacterial infection. Folliculitis belongs to the skin disease, mainly due to the hair follicles are infected by Staphylococcus aureus caused by the infection, so it will cause the patient to appear in the skin suppurative inflammatory disease, folliculitis symptoms. Erythromycin ointment is a macrolide antibiotic, which is mainly used for purulent skin diseases such as impetigo and the infection of small burns and ulcer surfaces. If the patient check folliculitis is caused by bacterial infection, the use of erythromycin ointment application is effective. It should be noted that if the patient’s folliculitis is related to fungal infection, it is not necessary to use erythromycin, and it is necessary to cooperate with the doctor to choose the treatment of econazole, terbinafine and other antifungal ointment in order to get relief. It is recommended that patients with folliculitis should go to the dermatology department of the hospital, according to the relevant examination results, under the guidance of a professional doctor to choose the use of medication, to avoid blind use of medication and adverse effects.