Tumor in the ear is not very common clinically, and its main precursor symptoms may be as follows: the first one is cancer of the external ear canal or middle ear, which generally has the clinical manifestations of stuffy ear, hearing loss, ear pain, bleeding and pus in the ear, etc. Generally, the doctor can roughly tell through endoscopy or CT examination of the middle ear. Such patients are not very common in clinical practice. The second case is an auditory neuroma in the ear, which is usually characterized by high pitched tinnitus in one ear, hearing loss, and gradually worsening clinical manifestations.