A sensor unit for continuous glucose measurement having one end portion formed to extend in one direction to be inserted into a body for the continuous glucose measurement, the sensor unit comprising: a substrate, wherein one end portion of the substrate is formed to extend in one direction to be inserted into the body; a first electrode layer stacked on an upper surface of the one end portion of the substrate; a first insulation layer stacked to cover an upper surface of the first electrode layer; a second electrode layer stacked on an upper surface of the first insulation layer; and a second insulation layer stacked to cover an upper surface of the second electrode layer, characterised in that the first electrode layer and the second electrode layer are disposed in opposite directions to each other so that one of the first electrode layer and the second electrode layer is exposed at one side surface of both side surfaces of the one end portion of the sensor unit and an other of the first electrode layer and the second electrode layer is exposed at an other side surface of the both side surfaces of the one end portion of the sensor unit, wherein the sensor unit comprises: a sensor body unit configured to be contactable with an electrical contact point; and a sensor probe unit bent from one side of the sensor body unit and extending in one direction to be inserted into the body, wherein the sensor probe unit comprises the substrate, the first electrode layer, the first insulation layer, the second electrode layer and the second insulation layer, which are stacked sequentially, and the sensor probe unit has a shape cut at both side surfaces of the sensor probe unit so that the first electrode layer and the second electrode layer are stacked to be exposed at the both side surfaces of the sensor probe unit, respectively, and wherein the first electrode layer and the second electrode layer are formed to extend to the sensor body unit to be contacted with the electrical contact point. a substrate, wherein one end portion of the substrate is formed to extend in one direction to be inserted into the body; a first electrode layer stacked on an upper surface of the one end portion of the substrate; a first insulation layer stacked to cover an upper surface of the first electrode layer; a second electrode layer stacked on an upper surface of the first insulation layer; and a second insulation layer stacked to cover an upper surface of the second electrode layer, characterised in that the first electrode layer and the second electrode layer are disposed in opposite directions to each other so that one of the first electrode layer and the second electrode layer is exposed at one side surface of both side surfaces of the one end portion of the sensor unit and an other of the first electrode layer and the second electrode layer is exposed at an other side surface of the both side surfaces of the one end portion of the sensor unit, wherein the sensor unit comprises: a sensor body unit configured to be contactable with an electrical contact point; and a sensor probe unit bent from one side of the sensor body unit and extending in one direction to be inserted into the body, wherein the sensor probe unit comprises the substrate, the first electrode layer, the first insulation layer, the second electrode layer and the second insulation layer, which are stacked sequentially, and the sensor probe unit has a shape cut at both side surfaces of the sensor probe unit so that the first electrode layer and the second electrode layer are stacked to be exposed at the both side surfaces of the sensor probe unit, respectively, and wherein the first electrode layer and the second electrode layer are formed to extend to the sensor body unit to be contacted with the electrical contact point. a sensor body unit configured to be contactable with an electrical contact point; and a sensor probe unit bent from one side of the sensor body unit and extending in one direction to be inserted into the body, wherein the sensor probe unit comprises the substrate, the first electrode layer, the first insulation layer, the second electrode layer and the second insulation layer, which are stacked sequentially, and the sensor probe unit has a shape cut at both side surfaces of the sensor probe unit so that the first electrode layer and the second electrode layer are stacked to be exposed at the both side surfaces of the sensor probe unit, respectively, and wherein the first electrode layer and the second electrode layer are formed to extend to the sensor body unit to be contacted with the electrical contact point.