Displacement-preventing operative position pad

The utility model discloses an anti-displacement operative position pad, which belongs to the technical field of position pads and comprises an operating bed, a U-shaped frame is arranged at the top end of the operating bed, a sponge pad is arranged in the U-shaped frame, a pair of symmetrical placing grooves are arranged at the top end of the sponge pad, and a pair of symmetrical clamping fixing components are arranged at two ends of the U-shaped frame. The symmetrical clamping fixing assembly comprises a screw rod rotationally connected to one end of the U-shaped frame. By arranging the clamping fixing assembly, the trapezoidal pushing block, the trapezoidal moving block, the rotating rod and the arc-shaped frame, the clamping fixing assembly is connected with the trapezoidal pushing block, the trapezoidal moving block, the rotating rod and the arc-shaped frame; according to the leg fixing device, the clamping assembly drives the rotating rod and the arc-shaped frame to move downwards to fix the legs of the