Cicada sound in the head, also known as tinnitus, is usually a sensation of tinnitus in the brain, or cicada sound, or a sound like a train chirping, or a sound like a gust of wind blowing, mainly caused by the disorder of the brain nerves of the patient, and is usually seen in middle-aged and elderly people, and is more common in women than men. In clinical practice, CT or MRI of the head and ultrasound of the blood vessels in the intracranial segment do not reveal any special findings, and patients may also suffer from tinnitus, insomnia, forgetfulness and other symptoms. The ringing sensation in the head is more likely to occur during quiet hours and has an impact on the patient’s sleep. There are no special medications in the treatment, and it can be treated with glutamate to regulate the function of plant nerves. In addition, oral medications to improve microcirculation, such as ginkgolide drops, can be taken.