The utility model relates to a crutch foot seat which can change and guide the angle, including a ball seat, a bush and a supporting rod which are combined by a bolt and a through pivot assembly； the Bush and the supporting rod can change the angle along the ball top wall of the ball seat, the ball top wall of the ball seat contacts with a guide ring which is pivoted on the bolt in a plane, so as to guide the supporting rod and the Bush automatically and make them contact with the guide ring of the bolt. The ball socket is connected vertically.一種可改變及導正角度的枴杖腳座，包括：通過一螺栓和穿樞組件而結合的一球座、一襯套和一支撐桿；該襯套和該支撐桿可沿著該球座的球形頂壁而改變角度，該球座的球形頂壁以一平面與樞套於該螺栓的一導正環接觸，據以自動導正該支撐桿和襯套，使其與該球座呈垂直連接。
