The application discloses switchgear circuit breaker energy -stored spring replacer includes: a screw rod. Go up the buckle, on the screw rod was located to the slip cap, upward the buckle was provided with and is used for the card to go into the first draw -in groove of the lower extreme of punch holder, adjusting nut, threaded connection and keep away from the one end butt of first draw -in groove with last buckle on the screw rod, lower buckle, threaded connection are provided with the second draw -in groove that is used for the card to go into the upper end of lower plate on the lower buckle on the screw rod. This replacer adopts the screw rod structure, utilizes the mode of screw thread interlock to provide the pulling force for the spring, simple structure, and the preparation is convenient, can simplify the energy -stored spring dismouting operation that the script needs two people to go on for single going on, and operating time also can shorten greatly. Block the energy -stored spring through last buckle and lower buckle, prevented that the spring from popping out to cause bodily injury or equipment damage.