PROBLEM TO BE SOLVED: To provide a biological information measurement device capable of acquiring biological information of a plurality of depths of a living body in comparison with the case in which reflection light of light irradiated to the living body by one light-emitting element is received to measure the biological information.SOLUTION: A biological information measurement device includes: a plurality of light emitting elements 1A to 1D； a light receiving element 3 which is arranged at a position whose distances from the plurality of respective light emitting elements differs and receives respective reflection light of light irradiated to the fingertip 54 of a living body from the respective plurality of light emitting devices； a control part controlling the plurality of light emitting elements so that the plurality of light emitting elements are lighted subsequently； and a measurement part measuring biological information of a plurality of depths of the fingertip of the living body from the respective reflection light received by the light receiving element subsequently.SELECTED DRAWING: Figure 8【課題】１つの発光素子から生体に照射された光の反射光を受光して生体情報を測定する場合と比較して、生体の複数の深さの生体情報を取得することができる生体情報測定装置を提供する。【解決手段】生体情報測定装置は、複数の発光素子１Ａ～１Ｄと、複数の発光素子の各々との距離が異なる位置に配置され、複数の発光素子の各々から生体の指先５４に照射された光の反射光を各々受光する受光素子３と、複数の発光素子が順次点灯されるように複数の発光素子を制御する制御部と、受光素子で順次受光した反射光の各々から、生体の指先の複数の深さの生体情報を測定する測定部と、を備える。【選択図】図８
