The present invention relates to a non invasive glucose meter using NIR spectroscopy. The present invention includes a light emitting unit having two or more light sources and red light sources and a light receiving unit configured to measure light quantity of the NIR between 1300 nm and 1800 nm and the red light. Accordingly, the present invention can improve measurement error by using a transmissive light by being measured on an earlobe.COPYRIGHT KIPO 2016두개 이상의 근적외선 발광소자와 적색광 발광소자를 사용하여 개인별 인체 특성을 보정하는 기능을 갖는 근적외선 비침습식 혈당측정기