The utility model discloses a tree trimming swings to controller, detain including ring cover, latch closure hook, action bars and control string, the action bars with the ring cover adopts can dismantle mode swing joint, the ring cover is equipped with and is used for the control string who cup joints the control string cable to detain, the latch closure hook sets up to be sheathe in the ring, the latch closure hook is connected through elastomer and ring cover, the latch closure hook is buckled in order to be suitable for set trees of reception control to the centre of a circle of ring cover under the effect of power. The utility model provides a tree trimming swings to controller can control partially direction of trees at will, has not only improved work efficiency but also has reduced operation risk coefficient, has guaranteed the safe operation of circuit.