Wallboard leveling assembly and wallboard leveling system

The utility model relates to a wallboard leveling assembly and a wallboard leveling system. The wallboard leveling assembly comprises a base and a keel clamping strip, the leveling base comprises a fixing plate used for being installed and fixed to a wall and a connecting plate perpendicularly connected with the fixing plate, and a first strip-shaped hole is formed in the connecting plate and extends in the direction perpendicular to the fixing plate; the keel clamping strip is fixed to the connecting plate through a fastener, the fastener is arranged in the first strip-shaped hole in a penetrating mode, and the distance between the keel clamping strip and the wall can be adjusted by adjusting the position of the fastener in the first strip-shaped hole; the side, away from the wall, of the keel clamping strip is used for installing and fixing a decorative plate. According to the leveling base, the distance between each position of the keel clamping strip in the length direction and the wall body can be adjust