The invention relates to a spatially controllable mechanism type loader with a two-dimensional rotatory moving arm and a one-dimensional rotary bucket, which comprises a loader body, a moving arm, a bucket, three drive bars, three connecting bars and three servo motors. The moving arm is capable of independently rotating in two dimensions, the bucket is capable of independently rotating in one dimension, and the whole loader is capable of moving with three spatial ranges-of-motion. By means of the spatially controllable mechanism type loader with the two-dimensional rotatory moving arm and the one-dimensional rotary bucket, the shortages that hydraulic elements of a hydraulic loader are high in precision requirements, high in maintenance cost, difficult in reliability guarantee, prone to oil leakage and the like are solved, and the problems, action inflexibility, limitedness of operation space, low operating efficiency and the like due to the fact that a plane loader only can output plane tracks, are solved.