Pulsing heard in one ear can be considered to be related to jugular venous bulb elevation, tinnitus of vascular origin, ear inflammation and other causes. 1. High jugular venous bulb: When the jugular venous bulb of the same side is high and close to the drum wall of the middle ear in the external auditory canal, with the fluctuation of the blood pressure, one ear hears a rhythmic tinnitus sound similar to a pulse or heartbeat. 2. vascular tinnitus: for example, work and life tension, irregular work and rest, improper diet and other factors, can lead to the emergence of neurasthenia or vegetative nerve disorder phenomenon, so that the ear nerve sensitivity increases, resulting in the ear inside the feeling of the sound of a pulse. 3. ear inflammation: for example, otitis externa, otitis media, inflammation of the tympanic membrane and so on, can make the eardrum stimulation, thus appearing ear stuffiness, ear canal pain, and tinnitus with a pulsating sound. If there is a symptom of hearing pulse beating in one ear, it is recommended to go to the hospital for examination to avoid delaying the condition. At the same time, we should pay attention to rest, ensure adequate sleep, avoid overwork, and maintain a relaxed and happy mood.