Abstract: A screw-driven lifting platform, includes a lifting portion and a transmitting portion, which is characterized in comprising a base, a left-and-right screw thread rod, a left and a right group (two group in total) of X-shaped connecting rods and a horizontal lifting platform, wherein two groups (a left group and a right group) of the X-shaped connecting rods are respectively provided on left and right end portions between the base and the horizontal lifting platform, fixed ends of the X-shaped connecting rod are respectively hinged on the base and the horizontal lifting platform, movable ends of the X-shaped connecting rod are connected with the left-and-right screw thread rod, when the left-and-right screw thread rod rotates, the movable ends of the left and right groups of the X-shaped connecting rod are driven to move, so as to realize lifting and lowering the horizontal lifting platform.