The patient’s half head jerking pain is considered to be caused by the following aspects: First, if the patient usually does not have any uncomfortable symptoms in the head and suddenly has half head jerking pain, it should be considered that it may be caused by insufficient blood supply to the brain. There are more triggers that lead to insufficient blood supply to the brain, such as when the patient is under weather change, excessive stress, poor sleep, or poor mood, which can easily lead to spasm of the cerebral blood vessels, and This can lead to pain in half of the head, accompanied by dizziness. Secondly, if a patient has a history of headache, he or she should also consider migraine as the cause of the pain. Thirdly, if the patient is an elderly person with half a headache, he or she should also consider that it is caused by high blood pressure, and the blood pressure should be measured.