Wall positioning device for fabricated building

The utility model discloses a wall positioning device for an assembly type building. The wall positioning device comprises a bottom plate, a positioning mechanism and a supporting mechanism. The positioning mechanism comprises a fixing plate, a positioning roller is rotatably connected to the fixing plate, a lifting plate is slidably connected to the fixing plate, and a lifting roller is rotatably connected to the lifting plate; the supporting mechanism comprises a pair of supporting tables, lifting blocks are connected to the supporting tables in a sliding mode, a supporting plate is fixed to the lifting blocks, a pair of lifting bolts are fixed to the bottom plate, lifting sleeves are connected to the lifting bolts in a threaded mode, and the lifting sleeves are rotationally connected with the lifting blocks. According to the wall positioning device for the assembly type building, related mechanisms of the wall for the assembly type building are arranged, so that the wall positioning device for the assembly