Ear infection fungus mostly refers to fungal disease of the external auditory canal, which needs to be treated by removing the fungal mass, necrotic tissue and pus, standardizing the use of medication and regular review. 1. Cleansing surgery to remove necrotic tissue: first of all, we need to remove the granulation tissue in the ear canal through cleansing surgery, drain out the necrotic tissue and pus, so as to reduce the possibility of repeated infections. 2. Drug treatment: fungal culture can be carried out, according to the results of fungal culture to choose sensitive antifungal drugs, such as mycophenolic or imidazole broad-spectrum antimycobacterial drugs used locally and externally, generally do not need to systemic application of antifungal drugs. 3. Regular review: after debridement and application of antifungal drugs, regular review is needed after treatment to monitor the early signs and symptoms of recurrence. If there is any fungal infection in the ear, it is recommended to actively seek medical advice and standardize the medication and treatment after a clear diagnosis.