PROBLEM TO BE SOLVED: To provide a pressure pulse wave detection device capable of improving pressure wave detection accuracy by flexibly changing a contact state of pressure sensing elements with a living body site, the pressure sensing elements used with it coming into contact with the living body site, and a biological information measuring apparatus including the pressure pulse wave detection device.SOLUTION: The biological information measuring apparatus includes: a sensor part including a pressing surface in which element rows composed of a plurality of pressure sensing elements aligned in a direction B are aligned in a direction A orthogonal to the direction B; a pressing mechanism pressing the pressing surface onto a wrist in a state where the direction B crosses with an extending direction of a radial artery; a storage part 4 for storing a rotation drive mechanism that rotates the pressing surface around two shafts, respectively, being orthogonal to the pressing direction of the pressing surface by the pressing mechanism, the two shafts being a rotary shaft extending into the direction A and a rotary shaft extending in the direction B; a housing 101 for incorporating the storage part; and a moving mechanism for moving the storage part in the direction B in the housing.SELECTED DRAWING: Figure 9【課題】生体部位に接触させて用いる圧力検出素子の生体部位との接触状態を柔軟に変更して圧脈波検出精度を向上させることのできる圧脈波検出装置とこれを備え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、方向Bに並ぶ複数の圧力検出素子からなる素子列が方向Bと直交する方向Aに配列された押圧面を有するセンサ部、方向Bが橈骨動脈の伸びる方向と交差する状態で押圧面を手首に対し押圧する押圧機構、及び、押圧機構による押圧面の押圧方向に直交する2つの軸であって方向Aに伸びる回転軸と方向Bに伸びる回転軸の各々の周りに押圧面を回転するための回転駆動機構を収容する収容部4と、収容部を内蔵する筐体101と、筐体内で収容部を方向Bに移動させるための移動機構と、を備える。【選択図】図9