The causes of high blood pressure due to blood pressure measurement are: 1, measurement is not in a quiet environment, and the patient has just finished activity, not well rested and directly measured, thus leading to high blood pressure measurement. 2, measurement cuff tied too tight can also lead to high blood pressure. 3, the stethoscope tucked under the cuff for measurement, can lead to high blood pressure. 4, the patient exists white coat type hypertension, when the patient sees the doctor feel When the patient is anxious and nervous, this can cause a transient increase in blood pressure, but when the patient measures himself, the blood pressure is within the normal range. 5. Repeated inflation of the cuff, repeated measurements, and short intervals between measurements can all cause the blood pressure to be measured too high. 6. Insomnia, excessive anxiety, and emotional stress in the patient can all affect the measured value.