Hypertension is checked as follows: 1, in the hospital office to measure blood pressure or monitor 24-hour ambulatory blood pressure, this part is performed by a doctor, the doctor will be responsible for the blood pressure to be accurate; 2, at home to monitor their own blood pressure, its notes include the preparation of blood pressure monitor, blood pressure monitor needs to be calibrated, generally choose the upper arm sphygmomanometer, generally upper arm sphygmomanometer is more accurate than the wrist sphygmomanometer; measurement time is recommended to be in the morning after going to the toilet, wash up, rest for 10 minutes before measuring blood pressure, 2-3 times to take its average. It is recommended that the blood pressure be measured in the morning after going to the toilet, washing up, and resting for 10 minutes, and that the blood pressure be measured 2-3 times, with an interval of 1-2 minutes each time, and that the average value be taken. If the patient’s blood pressure is within 130/80 mmHg, the blood pressure is considered normal, if it is more than 130/80 mmHg, it is considered to have increased blood pressure and needs to be seen by a hospital.