The utility model relates to an anti wall structure that splits, including the wallboard with be used for the wallboard and the floor between the mounting fixed, the transversal T type of personally submitting of mounting, the mounting is including the first part and the second part that constitute T type structure, first part is connected with the floor, the second part is connected with the wallboard, the mounting is connected in the both sides of wallboard, be equipped with on the second part along its width direction's second waist type hole, the one end that the wallboard was kept away from to first part is equipped with along its length direction's first waist type hole, expansion bolts is installed in the cooperation in first waist type hole and the second waist type hole. The position of the first part of floor installation is equipped with the recess, and the length of recess is 1.5 times of first part at least, and first part is located the recess. The second part is equippedwith the locating piece with one side of wallboard laminating, and the position that corresponds the locating piece on the wallboard is equipped with the constant head tank, and the locating piece isinstalled in the constant head tank. Its simple structure, the wallboard crack that can prevent wallboard dislocation production, and the fixed sub -assembly of convenient change.