The itchy ears should beware of diseases such as otitis externa, otitis media and fungal disease of the external ear canal. 1. Eczema of the outer ear: this disease may be related to endocrine disorders, mental and other factors, after the disease will appear in the outer ear canal itchy rash, the patient consciously itchy outer ear, the outer ear skin will appear millet-like pimples, may be accompanied by oozing, crusting and flaking. 2. Otitis media: this disease is related to viral, bacterial and other pathogenic microbial infections, the patient’s ear canal will appear mucous or purulent secretions, due to inflammatory secretion stimulation, some patients will also be accompanied by ear pain, ear itching and other symptoms. 3. Fungal disease of the external auditory canal: the disease is related to fungal infection, the patient’s external ear canal will appear swelling, pain, itching and other discomfort, some patients will also be accompanied by hearing impairment, tinnitus and other symptoms. There are many factors leading to itchy ears, it is recommended to go to the hospital in time to identify the cause of the relevant treatment.