The invention discloses a device supporting table device capable of achieving accurate adjustment. The device supporting table device comprises a fixed base (2), four lifting adjusting assemblies (7) which are uniformly distributed in the circumferential direction on the fixed base (2), and a supporting table (30) supported by the four lifting adjusting assemblies (7), wherein each of the four lifting adjusting assemblies (7) comprises a sliding bracket (73) fixedly connected with the fixed base (2), a lifting screw rod (72) which is in screw thread fit with a threaded hole in the upper end face of the sliding bracket (73), a hinged joint (721) which is connected with the upper end of the lifting screw rod (72) through a bearing, and a screw rod gear sleeve (71) which is fixedly connected with the lifting screw rod (72) and is positioned between the upper end face of the sliding bracket (73) and the hinged joint (721); and the hinged joints (721) are connected with the supporting table (30) through spherical hinges.