Combing the hair may have the weak effect of improving the blood circulation in the brain, but there is no role in lowering blood pressure, if combined with hypertension, it is recommended to take antihypertensive drugs under the guidance of a physician regularly to lower blood pressure. The combing process will make the head to get different degrees of massage, some Chinese medicine theory has mentioned that by combing the head, can dredge the blood, prevention and treatment of headaches. There is no scientific research in Western medicine. There is no evidence to prove that combing will have a hypotensive effect. Hypertension is mainly caused by the increase of arterial blood pressure (systolic and/or diastolic blood pressure) in the body circulation, and the current treatment of hypertension is mainly based on the improvement of lifestyle behaviors, such as low-salt and low-fat diet, weight control, etc., on the basis of the regular use of antihypertensive drugs: such as diuretics, β-blockers, calcium channel blockers, angiotensin-converting enzyme inhibitors, angiotensin Ⅱ receptor blockers of the five major classes of antihypertensive drugs. And combing hair to dredge the blood vessels in the head has no effect on lowering blood pressure. Hypertensive patients should consult a doctor in a timely manner, under the guidance of a professional physician regular use of medication to control blood pressure, do not take care of yourself, in order to avoid adverse consequences.