The utility model discloses a turbine steering device and belongs to the field of automobile steering mechanism. The turbine steering device comprises a steering booster, a steering shaft and a steering pull rod, wherein a turbine steering piece is arranged between the steering shaft and the steering pull rod. Speed reduction transmission between a turbine shaft and a worm shaft can be realized via a mechanical turbine and worm transmission principle by the turbine steering piece, thereby realizing efficient steering ratio and reducing the action force applied to a steering wheel.