为了查明外耳道瘙痒症病原体，采集患者外耳道分泌物，用直接镜检和人工培养的方法对其进行了人体蠕形螨和真菌病原体分离，结果证实人体蠕形螨和真菌为本病的主要病原体。其中人体蠕形螨包括毛囊蠕形螨和皮脂蠕形螨，真菌包括曲霉菌、青霉菌、皮肤丝状菌的小孢子菌、念珠菌和毛霉菌等。提示防治外耳道瘙痒症主要措施应为控制其病原体。 In order to identify pathogens of pruritus of external auditory meatus, the external auditory canal secretions of patients were collected, and the human demodex and fungal pathogens were separated by direct microscopic examination and artificial cultivation. The results showed that human demodex and fungi were the main pathogens of this disease . Demodex human Demodex, including Demodex folliculorum and Demodex Demodex, fungi, including Aspergillus, Penicillium, skin filamentous bacteria microsporum, Candida and Mucor and so on. Prompt prevention and treatment of pruritus outside the main measures should be to control their pathogens.