Disclosed are a circuit breaker conduction system rigid line assembly device and a circuit breaker conduction system rigid line assembly method. The circuit breaker conduction system rigid line assembly device comprises a positioning mould and a traction device, wherein the positioning mould comprises a positioning plate and a positioning piece which can fix an assembly body of a guide wire and a magnet ring, the positioning piece is vertically arranged on one side face of the positioning plate, the traction device is correspondingly installed on the other side face of the positioning plate, traction pincers of the traction device are arranged correspondingly to the positioning plate, at least one limit groove which can limit a shaping end of the guide wire is formed in the side wall of the positioning piece, a fixing groove used for a bending portion of the guide wire to pass through when the guide wire is wound is located beside each limit groove, and a through hole communicated with each fixing groove is formed in the positioning plate. The circuit breaker conduction system rigid line assembly device and the circuit breaker conduction system rigid line assembly method are high in production efficiency, accurate in winding processing, and simple and convenient to used and operate.