Patients with forehead swelling and pain, dizziness, mainly consider the following aspects: 1, to consider is caused by elevated blood pressure, mainly seen in patients with hypertension disease. When irregularly taking antihypertensive drugs or emotional excitement, after the blood pressure fluctuation is elevated, it will lead to the expansion of blood vessels in the brain, the cerebral blood flow increases, and the patient will have the performance of forehead distension, dizziness, and swelling of the head; 2, the patient’s forehead distension and dizziness may also be caused by the reason of cerebral arteriosclerosis, cerebral vascular stenosis, and cerebral blood supply insufficiency; 3, it is necessary to pay attention to whether it is caused by low blood sugar or It is caused by extreme fatigue of the brain. The main reactions of low blood sugar include panic, sweating, and shaking hands. However, some of the patients may also show the symptoms of forehead distension and dizziness.