Finger prick blood glucose selection finger tip, finger belly can. In general, the finger to measure blood glucose is to take the peripheral blood glucose measurement, there is no strict requirements of the specific location, generally take the tip of the finger, finger belly can be, but in order to ensure the accuracy of the blood glucose measurement value is recommended to remove the first drop of blood, leaving the second drop of blood for measurement. It should be noted that the middle of the finger belly is more sensitive, so the finger will be more painful after zapping, and the finger belly is often in contact with objects, so it will further enhance the sense of pain, so you can choose to measure blood glucose on both sides of the finger belly, which can help to reduce the sense of pain. Patients who need to measure their peripheral blood glucose should choose regular instruments and follow accurate measurement steps to help ensure the accuracy of the measurement results.