The utility model discloses an anti-bending testing machine. The tester comprises a tester main body, a base and a controller, the bottom end of the testing machine main body is fixedly connected witha base; a stand column is embedded in the middle of the top end of the base. The top of the stand column is in nested connection with a beam. One end of the top of the cross beam is movably connectedwith a touch switch; the middle part of the top of the touch switch is fixedly connected with a main screw rod; one end of the main lead screw is fixedly connected with a supporting base. A pull rodis fixedly connected to the bottom of one side of the supporting seat; one side of the bottom of the pull rod is movably connected with a lever; the lever can quickly switch the working state by utilizing the sliding chute after the workpiece test is finished; the lever effectively improves the convenience of the testing machine body, the base enables the testing machine body to be more stable inthe operation process, the bearing pedestal effectively improves the stability of the testing machine body, the bearing pedestal enables the testing machine body to be more stable in the operation process, and the bearing pedestal effectively improves the stability of the testing machine body.