The Sheng Wu Gan Measuring devices of Yi Seed tool positioning finger positions comprising:One bottom plate, a Di Kao Cover and a Try pieces are inserted into holeWherein, on The Di Kao Cover Department Cover Let what The bottom plates, and the front ends Kao Cover The Di have one to draw Guide plates for positioning finger position, and The draws Guide plates and draws the faces Guide with a center Line and one, and the centers The Line Department whats The draws the faces the Guide positions Zhong Inter, The Try pieces are inserted into hole and form the front ends what Di Kao CoverShi Yong Time, Shi Yong Zhe Only need Will wrists and palm by what Sheng Wu Gan Measuring devices Di Kao Cover Shang , And make what the finger punctured set what The Di Kao Cover front end Suo Let to draw the faces Guide, enable Open mouthfuls of mono- Try Pian of blood pearl Jie Touch of The fingers, convenient for users to Liang Measuring.一種具定位手指位置之生物感測器,其包括:一底板、一抵靠蓋及一試片插入孔;其中,該抵靠蓋係蓋設於該底板上,且該抵靠蓋前端具有一供定位手指位置之引導板,該引導板具有一中心線和一引導面,且該中心線係於該引導面之中間位置,該試片插入孔形成於抵靠蓋前端;使用時,使用者僅需將手腕及手掌靠於生物感測器的抵靠蓋上,並使受穿刺的手指置於該抵靠蓋前端所設之引導面,使該手指的血珠得以接觸一試片之開口,以方便使用者量測。