There are very many causes of roaring ears, such as external ear canal factors, middle ear pathology, inner ear pathology, and neurogenic tinnitus. 1. External ear canal factors: cerumen impaction of the external ear canal, foreign bodies, otitis externa, etc., can prevent the sound waves of the external ear canal from being transmitted to the middle ear, so the environmental noise is blocked, which may cause ringing in the ears. 2. Middle ear lesions: otitis media, due to inflammation and stimulation, can cause malfunction of the sound transmission structure and destroy the nerve cells in the labyrinth, resulting in the phenomenon of roaring ears. 3. Inner ear lesions: acoustic neuroma, sensorineural deafness, etc., can also cause the phenomenon of roaring ears. 4. Neurogenic tinnitus: prolonged late night, smoking and drinking, mental stress, lack of sleep, etc., may cause neurogenic tinnitus, thus leading to the phenomenon of ringing ears. There are many reasons for tinnitus, after the symptoms, we recommend that patients go to the hospital in a timely manner to improve the examination, under the guidance of the doctor to take standardized treatment, do not ignore the symptoms, so as not to delay the treatment of the condition.