The blood pressure cuff of the present invention comprises a closure member configured to occlude an artery and a compliance fluid bag including an incompressible fluid and overlapped with a closure member, wherein the compliance fluid bag is a blood pressure cuff Is overlapped with the closing member in the width direction of the closing member at least at the upstream side of the artery from the center of the width of the closing member along the axis around which the closing member is wound.本発明の血圧計カフは、動脈を閉塞するように構成された閉塞部材と、非圧縮性流体を含み、閉塞部材と重ねられるコンプライアンス流体袋と、を有し、コンプライアンス流体袋は、血圧計カフが巻かれる軸に沿った閉塞部材の長さである閉塞部材の幅の中心よりも少なくとも動脈の上流側で、閉塞部材の幅方向に対して閉塞部材と重なっている。
