A sudden loud bang inside the head may be caused by insufficient blood supply to the cerebral arteries, neurological tinnitus, psychological disorders, and so on. According to the cause of the disease, the corresponding treatment measures. 1. Insufficient blood supply to the brain: a sudden loud bang in the head, also known as tinnitus, may be caused by insufficient blood supply to the cerebral arteries, which can be given to aspirin antiplatelet aggregation, atorvastatin stabilization of plaque, ginkgo biloba and other medications to improve the circulation of the symptomatic treatment, and so on. 2. Neurogenic tinnitus: it is related to excessive mental stress and mental tension, and can be accompanied by anxiety, chest tightness, insomnia and other discomforts, and can be treated with oral nerve regulating drugs, such as glutamine tablets, vitamin B1 tablets, etc. Usually, the mind should be adjusted to reduce the mental pressure and keep a calm mind. 3. Psychological diseases: such as depression, anxiety, etc. can also appear suddenly tinnitus symptoms, can go to the hospital psychiatry, using psychological treatment, serious combined with drug treatment, such as depression can use sertraline and other drugs, anxiety can use buspirone and other drugs. Suddenly a loud noise inside the head, you need to go to the hospital for further examination to confirm the diagnosis, the specific treatment measures need to be carried out under the guidance of a specialist, do not blindly self-medication.