The most common cause of tinnitus after coming out of a bar is noise causing damage to the inner ear and nerves. Due to the noisy sound in the bar, the inner ear and nerves have a stress reaction, which can be relieved by conservative treatment and medication. 2.Medication: Choose vasodilators to improve the vascular supply of the cochlea, such as flunarizine, niacin, etc.; choose anticoagulants to improve blood circulation in the inner ear, such as low molecular dextran; take adenosine triphosphate and vitamin B1 to help cellular energy metabolism and improve microcirculation; apply lidocaine to control abnormal activity of auditory conduction; in addition, you can also Oral nerve-nourishing drugs, such as methylcobalamin tablets, can also be taken to improve. Ginkgo biloba extract can regulate vascular function, improve microcirculation in the inner ear, and relieve hypoxia and insufficient blood supply. If the patient is accompanied by hearing loss and there is a possibility of sudden deafness, he/she should go to the ENT department of the hospital promptly for electroaudiometry and acoustic conduction resistance examination to clarify the cause and then treat.