Movable self-locking safety protection system

The invention relates to a movable self-locking safety protection system. The movable self-locking safety protection system comprises a fixing piece, a rope winding backpack, a safety belt buffer bagand a five-point safety belt; the rope winding backpack is detachably connected with the fixing piece; one end of the safety belt buffer bag is connected with the rope winding backpack; the other endof the safety belt buffer bag is connected with the five-point safety belt; the rope winding backpack comprises a backpack housing, a rope winding device and a locking mechanism; the locking mechanismis connected with the rope winding device; the rope winding device is rotatably mounted in the backpack housing; the backpack housing is detachably connected with the fixing piece; and the fixing piece is fixed to the wall body and used for providing a pulling node for the whole protection system. The fixing pieces can be arranged at different positions respectively, and the rope winding backpackcan be arranged on any fixi