Wrist sphygmomanometer use method includes getting ready before measurement, binding the wrist strap correctly, choosing the correct measurement posture, starting measurement and so on. 1. Preparation for measurement: install batteries in the sphygmomanometer before measurement, or connect it directly to the power adapter, and confirm that there is enough power in the sphygmomanometer with charging function. Half an hour before the measurement, do not exercise, eat or drink alcohol, sit quietly for 5 minutes, and keep your mood relaxed. 2. Bundle the wristband correctly: put the wristband on the bare wrist, the lower edge of the wristband is about one cross finger width away from the palm of the hand, grab the end of the wristband, pull the edge of the wristband tightly against the wrist and roll it up, tighten and loosen it to control the degree of comfort, the whole cloth surface of the buckle should be firmly affixed, and the rest of the wristband should be folded outward and rolled back. 3. Choose the correct measuring posture: when measuring, keep the middle of the wristband and the heart at the same height, when the height is not high enough, you can use a soft cushion on the outside of the lower arm of the arm to be measured, the body and the wrist can not be shaken, the fingers are naturally stretched out to maintain relaxation. 4. Start measurement: Press the start measurement button, do not move or talk during the measurement, keep quiet and wait for the measurement result. Note that the wrist sphygmomanometer is not a common clinical blood pressure measuring instrument, the accuracy is not high, it is recommended to use the upper arm sphygmomanometer or go to the hospital for measurement. If you find any abnormality after measurement, you should go to the hospital for examination to clarify the cause.