Three-in-one wooden tenon joint, the whole frame and drawer side plate are made of birch, the drawer face plate is made of plastic-suction technology, the density plate, table top and bottom plate are 18mm thick, the drawing box is 15mm thick, the drawing surface is 20mm thick, the solid wood frame is 22mm thick.A cross bar is added on the back surface and the bottom of the cabinet to further improve the stability of the cabinet. Strong cabinet, strong support and non-slip pads to prevent scratches on the floor.