The invention discloses an automobile chassis assembly piece fixed tray stamping piece. The automobile chassis assembly piece fixed tray stamping piece comprises a stamping piece body; the bottom of the stamping piece body is provided with a set screw; the side surface of the set screw is provided with a screw thread; the top of the set screw is provided with an ejector head; the bottom of the stamping piece body is provided with a clamping groove; the top of the clamping groove is provided with an upper clamping opening; the bottom of the stamping piece body is provided with a lower clamping opening; the top of the upper clamping opening is provided with a lower engaged clamping opening; one side of the lower engaged clamping opening is provided with a rotary shaft; the side surface of the lower engaged clamping opening is provided with a bolt; and the side surface of the bolt is provided with a thread. The automobile chassis assembly piece fixed tray stamping piece is uniform and consistent in size, has good interchangeability, can meet assembly and application requirements of the majority of automobile chassis assembly piece fixed trays, is low in cost, good in quality and high in safety and has wide market prospects.