A blood pressure detection device is provided which comprises an elbow rest and comprises a configuration capable of facile promotion of a correct detection pose for an user to be detected.The event that an arm rest 100 is bent downwardly is detected by bending detection means 110, an user 200 to detected is informed with this information through a display portion 4B. The display portion 4B informs the user 200 to be detected with the event that the detection pose is incorrect by performing an indication for changing color partially or a blinking indication.提供一種具備肘置部的血壓測量裝置,其中該血壓測量裝置係具備有能輕易地使測量者擺出正確之測量姿勢的構成。藉彎曲檢知機構110檢測臂置部100朝下方彎曲,並經由顯示部4B將該資訊通知測量者200。藉由於顯示部4B進行部分地變換顏色的顯示或閃爍顯示,來通知測量者200其測量姿勢不正確。3...本體部殼體3a...肘置面5...上臂插入部5a...中空部110...彎曲檢測機構130a...轉動軸200...測量者210...手臂220...上臂220a...手肘