Tinnitus in the left ear, for adults and children, the nature of the disease may be different. If the children appear unilateral tinnitus, suggests that may be caused by secretory otitis media, children may have ear pain, hearing loss, ear stuffy blockage and other discomfort, mostly accompanied by upper respiratory tract infections, in addition to the children’s ear canal inside the earwax earwax stimulation, tinnitus will also occur. But if for adults unilateral tinnitus, clinically more common disease is neurogenic tinnitus, this may be due to the fire stay up all night, bad mood, elevated blood pressure, atherosclerosis, diabetes and other factors, resulting in patients with neurogenic tinnitus. For this situation, it is recommended that patients go to the ENT department to do pure tone hearing threshold and acoustic conductance impedance examination, if it is judged to exist, clinically given nutritional nerve, vasodilator drugs for comprehensive treatment. Some patients who have arterial vascular tinnitus may also have this condition, which can be comprehensively determined by checking ultrasound and temporal bone CT.