Fungal infections of the external auditory canal, also known as clinical fungal diseases of the external auditory canal, can be treated with general treatment and local antifungal drugs as prescribed by the doctor. 1. General treatment: first of all, it is necessary to remove the pollutants in the external auditory canal, and at the same time, keep the external auditory canal dry. 2. Drug therapy: the feasibility of debridement to remove granulation, necrotic tissue pus, and then use 1%-3% salicylic acid ethanol solution or 1%-2% muscimol ethanol solution and other medications for the coating of the ear; can also be used for mycotoxin sprayed in the external auditory canal or coated with imidazole broad-spectrum antimicrobial drugs such as miconazole, ketoconazole, etc.; also according to the results of the culture of the fungus, the choice of sensitive antifungal drugs for treatment. For fungal infection of the external auditory canal, generally do not need systemic antifungal drugs for treatment, so once the external auditory canal fungal infection, need to go to the hospital in a timely manner, under the guidance of the doctor to carry out reasonable treatment.