High blood pressure in the afternoon is mainly seen in patients with primary hypertension who take their medication irregularly, but it may also be caused by secondary hypertension. Most primary hypertension is prone to high blood pressure in the morning, but older patients with primary hypertension, who have lost the rhythm of blood pressure, as well as irregular medication, mental stress, staying up late, insomnia, suffering from certain diseases, kidney disease, and aortic stenosis, primary aldosteronism, pheochromocytoma, etc., can lead to elevated blood pressure, to find the cause of hypertension, and if there is a cause to target If there is an etiology, treat the cause. Primary hypertension, usually to adhere to take antihypertensive drugs, try to use long-acting preparations to lower blood pressure smoothly. If a single dose of drugs to lower blood pressure does not reach the standard, you need to combine the application of two or more antihypertensive drugs to do.