The invention discloses an efficient steering method for a ship. A frequency changer is arranged between a starter and a power supply, according to the requirements of the predetermined steering speedof a steering mechanism, the output frequency flowing to the starter from the power supply is adjusted by the frequency changer to adjust the rotating speed of a motor, and then the rotating speed ofa hydraulic pump is adjusted by the motor; the steering speed of the steering mechanism is adjusted by the hydraulic pump to reach the predetermined steering speed of the steering mechanism, and thenthe direction of rudder blades is adjusted by the steering mechanism to adjust the sailing direction of the ship; the output frequency adjusted by the frequency changer corresponds to the steering speed of the steering mechanism, the steering speed of the steering mechanism takes the sailing speed as a reference object, the sailing speed is divided into three gears of a high gear, an intermediategear and a low gear and successively decreased, and the steering speed corresponding to the high gear, the intermediate gear and the low gear is successively increased. The steering efficiency is high at the low sailing speed, and the method is wider in application range and suitable for narrow water areas and speed-limiting channels.