The invention discloses an arrow correcting machine. The arrow correcting machine comprises a fixing frame (1), an electric stretching and contracting device installed on the fixing frame (1), a bow (2), a spring (3), a bow installation frame, a string pulling and releasing device and a balancing weight (4). The bow (2) is installed on the bow installation frame. One end of the spring (3) is connected with the electric stretching and contracting device. The other end of the spring (3) is connected with the string pulling and releasing device. The string pulling and releasing device comprises a string pulling and releasing assembly and a support (5) installed on the fixing frame (1), wherein a sliding block (6) slides on the supporting frame (5), the string pulling and releasing assembly is fixed to the sliding block (6) and can abut against a string (7) on the bow (2), one side of the sliding block (6) is connected with the other end of the spring (3), and the other side of the sliding block (6) is connected with the balancing weight (4). The arrow correction machine can correct an arrow without being affected by the body state and competitive state of an athlete.