If a patient with high blood pressure has a transient scalp pain that lasts about 15 minutes, it is a neurovascular headache and does not require medication. It can be relieved on its own after the blood pressure is relieved, because when the blood pressure increases, it will make the endocrine system in the body imbalance, activate the renin-angiotensin-aldosterone system, cause the release of interleukin, tumor necrosis factor and other substances, which triggers the scalp pain. Capillary overexpansion will also appear after the clinical symptoms of scalp pain, if severe hypertension leads to scalp pain, and lasts for a long time, does not relieve, because of the combination of acute cerebrovascular disease, hypertension emergency triggered by increased intracranial pressure caused by scalp pain, which must be immediately to the hospital for treatment.