Smoking with high blood pressure is harmful to the body, aggravating atherosclerosis, increasing the risk of cardiovascular and cerebrovascular diseases, and making blood pressure not easy to control. High blood pressure patients smoking is more harmful, high blood pressure itself is also damage to the endothelium of blood vessels, atherosclerosis. Harmful substances in tobacco can damage the inner wall of blood vessels and aggravate atherosclerosis. The risk of cardiovascular disease is greater than that of non-smokers. Smoking can cause peripheral sympathetic nerve excitation, accelerated heart rate, causing spasmodic contraction of small arterial vessels, so that the blood pressure rises, and blood pressure is not easy to control smoothly. Hypertensive patients should not only take antihypertensive drugs as prescribed by the doctor to control the blood pressure level, but also make sure to quit smoking, but also to stay away from second-hand smoke.