Flower seedling fixing device

The utility model discloses a flower seedling fixing device which comprises a right clamping piece, a left clamping piece, U-shaped blocks and a rotating rod, the four U-shaped blocks are fixedly connected to the periphery of the right clamping piece and the periphery of the left clamping piece respectively, the rotating rod is rotationally connected with the U-shaped blocks through a rotating shaft, and a distance adjusting mechanism is connected between the right clamping piece and the left clamping piece. The distance adjusting mechanism comprises an inserting rod, a limiting inserting hole, a fixing plate, a limiting inserting rod, a limiting ring piece and a spring, the inserting rod is fixedly connected to the right clamping piece, the limiting inserting hole is formed in the surface of the inserting rod, and the fixing plate is fixedly connected to the end of the left clamping piece. The spacing adjusting mechanism is arranged, so that the clamping spacing between the right clamping piece and the left