X-shaped active anti-rolling water tank device and method

The invention relates to an X-shaped active anti-rolling water tank device and method. The anti-rolling water tank device comprises a left upper-layer water tank, a right upper-layer water tank, a left lower-layer water tank, a right lower-layer water tank, a left water guide pipeline, a right water guide pipeline, a hydraulic-water cylinder unit, a water cylinder driving hydraulic system and an anti-rolling control system, wherein the left upper-layer water tank and the left lower-layer water tank are respectively arranged in the upper area and the lower area of the port of a ship body, and the right upper-layer water tank and the right lower-layer water tank are respectively arranged in the upper area and the lower area of the starboard of the ship body; when the anti-rolling control system controls the hydraulic-water cylinder unit to push and press leftwards through the water cylinder driving hydraulic system, the left upper-layer water tank and the left lower-layer water tank discharge water to the right