A kind of pupil positioning method,Pupil diameter system and storage media,This method includes following step: the eye image of user is captured,And a pupil center and a reflective spot are oriented using eye image； A distance value is defined with the distance of pupil center to reflective spot,And reference line cooperation reflective spot is defined with pupil center location and defines an angle value with respect to a vector of what pupil center； And the one angle-range distribution figure obtained using the distance value and angle value for watching different location,The position of the what screen is thereby corresponded to when conversion viewing screen any point. The present invention in human body need not wear extra gear and without complicated calculations, can positioning function to computer index is more accurate and effective control.一種本瞳孔定位方法、瞳孔定位系統及儲存媒體，該方法包含下述步驟：擷取使用者之眼部影像，並利用眼部影像定位出一瞳孔中心及一反光點；以瞳孔中心至反光點之距離界定出一距離值，並以瞳孔中心位置界定一基準線配合反光點相對於瞳孔中心的一向量界定出一角度值；及利用觀看不同位置的該距離值及角度值得到的一角度－距離分佈圖，藉此換算觀看螢幕任一點時對應於該螢幕的位置。本發明無須在人體佩帶額外裝備且無須複雜計算，能對電腦指標的定位功能更為準確且有效的控制。
