The invention provides a remotely controllable centrifuge box for sand supplying. The centrifuge box includes a box body, a sand loading box, a sliding device, a sand guiding pipe, a funnel and a hydraulic power device. The sand loading box is located above the box body and the sliding device is located inside the box body. The hydraulic power device is located on the side face of the box body. The sand guiding pipe is located below the sand loading box. The sliding device comprises a first sliding part, a second sliding part, a third sliding part and a fixing part which are connected with oneanother in sequence. The fixing part is connected with the box body. The first sliding part can slide left and right along the second sliding part. The second sliding part can slide front and back along the third sliding part. The third sliding part can slide up and down along the fixing part. Sliding of the first sliding part, the second sliding part and the third sliding part is driven by the hydraulic power device. A funnel clamping ring is installed on the first sliding part. The funnel is placed in the funnel clamping ring. The remotely controllable centrifuge box is simple in operation,time saving and labor saving.