An arthroscopy surgical positioning aiming appliance is disclosed for improving the operating convenience of prior arthroscopy surgical positioning aiming appliance. This arthroscopy surgical positioning aiming appliance includes a handle, a positioning member and a guiding sleeve. The handle has a palm-leaning member connects to a finger-grabbing member by at least one connector, with the finger-grabbing member has a connecting portion at one end, with the palm-leaning member does not stretch into the maximum axial extending range of the connecting portion, with the finger-grabbing member has a curving sliding groove. The positioning member has a curving end and a hooking end, with the curving end is set in the curving sliding groove. The guiding sleeve connects with the connecting portion of the finger-grabbing member.一種關節鏡手術定位瞄準器，用以解決目前手術定位器械操作不易的問題。本發明的關節鏡手術定位瞄準器包含：一握把，具有一掌靠件由至少一連接件連接一指扣件，該指扣件的一端設有一結合部，該掌靠件不伸入該結合部的最大軸向延伸範圍，該指扣件設有一弧形滑槽；一定位件，二端分別形成一彎弧端及一勾掣端，該定位件的彎弧端設於該弧形滑槽中；及一導引套筒，結合在該指扣件的結合部。
