The phenomenon of ringing of the eardrum may be caused by a foreign body in the ear canal, or it may be caused by factors such as tympanic body tumor or middle ear myoclonus. 1. Foreign body in the ear canal: If there is some foreign body in the ear canal, it may cause the eardrum ringing phenomenon, such as cerumen, flying insects and so on. 2. Tympanic body tumor: it is a chemoreceptor tumor confined to the tympanic chamber originating from the tympanic branch of the glossopharyngeal nerve and the ear branch of the vagus nerve, which may manifest as fluctuating tinnitus, a feeling of stuffiness in the ear, and other symptoms, and also the phenomenon of ringing of the tympanic membrane of the ear. 3. Myoclonus of middle ear: due to the contraction of tympanic membrane tensor muscle or stapedius muscle, which can also lead to the phenomenon of ringing eardrum. There are many factors that cause ringing of the eardrum, it is recommended that patients enter the hospital in time to identify the cause of the disease, and actively cooperate with the doctor for treatment.