Provided in the present invention are a non-invasive blood glucose measurement method and a non-invasive blood glucose measurement device using the method, the method comprising the steps of: emitting near-infrared rays at skin to be measured so as to raise the temperature of the skin; measuring a mid-infrared spectrum generated by the skin of which the temperature has been increased; and calculating blood glucose level by measuring, from the mid-infrared spectrum, skin temperature, having increased because of the near-infrared rays, and the composition ratio of the mid-infrared spectrum, wherein the mid-infrared spectrum comprises a spectrum of the light emitted by glucose in the blood flowing in the skin.
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