Human blood pressure has two peak periods, respectively at 6:00 a.m. – 10:00 a.m. and 4:00 p.m. – 8:00 p.m. These two time periods are the highest blood pressure in the human body, and choosing to take antihypertensive medication at these two times can effectively reduce the risks associated with high blood pressure. It is best to take long-acting antihypertensive drugs during these two time periods because they are taken only once a day, and the time of taking the drugs is fixed every day, so you can avoid missing doses. How to choose short-acting antihypertensive drugs, that is, take three times a day, this kind of drug taking time can be arbitrary choice, each time to take medication time is about 8 hours apart, but there is no need to mechanically rigid to comply with, a little earlier or later does not affect the efficacy of the treatment. Hypertension is a chronic cardiovascular disease, need to take long-term medication control, otherwise it will damage the heart, blood vessels, kidneys and brain, and often miss the service will lead to fluctuations in blood pressure, so try to choose a long-acting antihypertensive drugs.