1, blood pressure peak measured at 6-8 am and 6-8 pm, emphasizing the peak blood pressure to normal; 2, measured when there are symptoms, to determine the relationship between blood pressure and cardiovascular disease; 3, measured when there are things, such as anxious and angry when you can judge the blood pressure at this time; 4, measured after the adjustment of drugs, to determine the effectiveness of treatment; 5, measured after improving lifestyle, to inspire confidence; 6, measured at rest, to know the impact of hard work on blood pressure.