Elevated blood pressure will cause the heart rate to accelerate. The increase in blood pressure will activate the endocrine system in the body, resulting in the activation of the renin-angiotensin-aldosterone system, when the adrenal glands will secrete a large amount of renin and lead to sympathetic hyperactivity, the patient will have an accelerated heart rate, increased myocardial oxygen consumption, tachycardia, chest tightness, shortness of breath, palpitations, precordial discomfort and other clinical symptoms and performance. In addition, the increase in blood pressure will also lead to endocrine metabolic disorders in the body, which will lead to increased secretion of catecholamines and other substances that will further accelerate the heart rate. In addition, an increase in blood pressure will lead to an increase in the afterload of the heart, which will lead to an increase in heart rate and hypercontractile heart function.