Cerebral buzzing clinically known as tinnitus, the specific causes may be caused by cerebrovascular disease or physiological factors. 1. Physiological factors: most of the brain buzzing is caused by some physiological factors. For example, mental tension, anxiety, work pressure and other physiological factors, long time insomnia is a functional disease, the need to improve lifestyle, adjust the work and rest to ensure adequate sleep, generally will be relieved. 2. Cerebrovascular disease: venous return obstacles caused by narrowing of the veins in the neck, cerebral arterial lesions caused by insufficient blood supply to the brain, can also cause the brain buzzing similar symptoms. If the symptoms of buzzing appear, you need to go to the hospital in time for relevant examinations to clarify the cause of the disease and then treat it.