Automobile interior decoration gauge

The present invention relates to an automobile interior decoration gauge which comprises a base, a clamp arm, left and right clamp blocks, an overturn limit block, and a vertical positioning block. The top of the base is provided with a U-shaped clamp groove. The clamp arm is connected to the clamp groove through a shaft. The clamp arm is in the shape of L, one end of the clamp arm is connected to the base, and the other end is vertically connected to a support plate. The clamp blocks are arranged on the support block and are at left and right sides of the end of the clamp arm. The clamp blocks and the clamp arm are in a clearance fit. The clamp blocks and the support plate are connected through a shaft, and with the shaft as the center, the support plate is in plane rotation. The overturn limit block is in the shape of a trapezoid, the top surface is close to the base and is arranged at one end opening of the U-shaped clamp groove, and the clamp arm is placed at the other end opening of the clamp groove. The