It is a subjective experience that the patient feels that there is an abnormal sound in the head. There are several reasons for tinnitus: 1. Especially at night, the sound of electricity in the head is more obvious, which interferes with the patient’s sleep and daily life, but the patient does not have any problems with the relevant examination. This is the time to give the patient oral glutamate plus vitamin B1 to adjust the function of the plant nerves. 2, some patients have the sound of electricity in the head because of arterial stenosis or vasculitis, which may be caused by changes in hemodynamics.