Testing equipment of MOS transistor

The utility model discloses a test device of an MOS transistor, which relates to the technical field of transistors and comprises a test device, the test device comprises a digital multimeter, one side of the digital multimeter is fixedly connected with a detection pen, and the other side of the digital multimeter is fixedly connected with a fixed head fixing mechanism. Through cooperation of the fixed shell, the inclined groove, the fixed rod, the conductive column, the sliding groove, the movable button and the sliding rod, a wire of a transistor is connected with the conductive column, the movable button is moved, the sliding rod slides on the sliding groove, the fixed rod is extruded and warped, one end of the transistor is placed at the top of the conductive column, and the transistor is fixed. The movable button is moved reversely to drive the fixed rod to extrude downwards above the conductive column, and the movable button is pulled by the elastic force of the tension spring to pull towards one side o