Temporary supporting device for house wall dismantling

The utility model discloses a temporary supporting device for dismantling a house wall, which belongs to the field of supporting devices and comprises a ground and a wall body, a temporary supporting mechanism is arranged between the top surface of the ground and the side wall of the wall body, and when the house wall needs to be dismantled, the temporary supporting mechanism is arranged between the ground and the wall body. Then, a base is fixed to the ground through a threaded nail in a sleeve, a rotary knob is rotated to drive a lead screw to rotate through a first rotating rod, so that a cross-shaped movable block moves in a cross-shaped groove along the lead screw through a threaded hole, and in the moving process, the supporting plate is tightly attached to the wall to be dismantled; the height position of the supporting plate on the wall body can be adjusted by adjusting the supporting rod according to the height of the wall body, and therefore a worker can conveniently and correspondingly adjust the s