Movable climbing pruning halfpace

The utility model relates to a movable climbing trimming halfpace. Comprising two ladder legs, a plurality of treading grids, two fixing seats and a lead screw, the treading grids are transversely connected between the two ladder legs, the two fixing seats are arranged at the upper end and the lower end of one ladder leg respectively, and the lead screw vertically penetrates through the two fixing seats and is connected with the fixing seats through bearings. The axis of the lead screw is parallel to the axis of the ladder feet, and the lead screw is not in contact with the ladder feet; the bagging piece is provided with a circular-ring-shaped bagging head and a vertically-through screw hole, and the screw hole is matched with the lead screw. The motor drives the lead screw on the ladder assembly, so that the bagging piece moves up and down, then the bagging head is driven to move up and down, a garbage bag is arranged in the bagging head, and a worker can place trimmed branches and leaves into the garbage ba