Ointments for otitis externa include antibiotic ointment, glucocorticoid ointment, antifungal ointment, etc., and need to be used depending on the cause of the disease. Otitis externa is a diffuse inflammation of the skin of the external auditory canal caused by bacterial infection, and thus requires anti-infective treatment. Commonly used antibiotics include ciprofloxacin ointment, ofloxacin drops ointment and so on. Chronic otitis externa can be treated with a combination of antibiotics and cortisone drugs such as hydrocortisone cream. Fungal disease of the external auditory canal, is a fungal invasion of the external auditory canal, or the condition of the pathogenic bacteria in the appropriate conditions of reproduction leading to inflammation of the external auditory canal, antifungal ointment have clotrimazole, mycotoxin and so on. The use of drugs are required under the guidance of professional medical personnel. In addition, patients with otitis externa need to clean the external auditory canal to ensure local cleanliness and dryness.