When the symptoms of insufficient blood supply to the brain appear, the registration can choose to go to the Department of Neurology for treatment, and can also choose to go to the Department of Traditional Chinese Medicine and the Department of Encephalopathy of the Chinese Medicine Hospital for treatment. 1. Department of Neurology: Cerebral blood supply insufficiency is a more common disease in the Department of Neurology, which is a disease of insufficient blood supply to the brain due to circulatory disorders in the cerebral arteries, and often results in dizziness, headache, insomnia and forgetfulness, memory loss and other symptoms, and it is generally recommended to go to the Department of Neurology for treatment. 2. Internal medicine or encephalopathy of traditional Chinese medicine: As insufficient blood supply to the brain often results in headache, dizziness, insomnia and forgetfulness, etc., it can be categorized as “headache”, “vertigo” or “insomnia” in traditional Chinese medicine. They can be categorized as “headache”, “dizziness” or “insomnia” in Chinese medicine, and thus can be treated in TCM internal medicine or encephalopathy. To sum up, if symptoms of insufficient blood supply to the brain appear, it is necessary to go to the corresponding specialist clinic for treatment in a timely manner.