50-year-old ear hair may be a normal physiological phenomenon, or with mycotic otitis externa, the external auditory canal melanoma and other factors related to timely medical treatment. 1. Normal physiological phenomenon: the outer cartilage of the ear canal skin, there are villi, with age, especially in men may grow long, long thick, is a normal physiological phenomenon, can reduce the invasion of bacteria and dust, to protect the organism. 2. Mycotic otitis externa: ear hairs may be mycotic otitis externa caused by mycotic infections, caused by mycotic infections, generally associated with the external auditory canal moisture, the body’s immune system decline, the examination can be seen in the deeper part of the external auditory canal with white hairs and black mass-like foreign bodies. 3. Melanoma of the external auditory canal: hairy ears may be related to melanoma of the external auditory canal, more common in the middle-aged and elderly groups, the etiology of more, such as long-term chronic irritation, frostbite, burns, strong sunlight can be induced to produce, will lead to local accumulation of subcutaneous melanin to make the ears hairy. 50-year-old ear hairy should seek medical attention in time, go to the regular hospital to check, so as not to cause serious consequences.