The utility model provides an electrical aging flexible detection clamp for a vehicle-mounted information terminal assembly. The clamp comprises a clamp fixed part and a clamp movable part, the clampfixed part comprises a clamp base plate, the clamp base plate is provided with a groove and a screw hole, an optical axis guide rail is fixed to the back face of the clamp base plate through a screw,and a linear bearing is arranged on the optical axis guide rail and slides along the optical axis guide rail in the groove of the clamp base plate in a matched mode; the product base is fixed to the linear bearing through screws and located on the front face of the clamp base plate, the fixed side clamping block and the sliding block are fixed to the left end and the right end of the product basein parallel respectively, the guide rail is fixed to the right end of the front face of the clamp base plate, and the left end face of the guide rail and the right end face of the sliding block are both inclined and attached to each other. And the clamp movable part is a clamp movable plate provided with a probe seat corresponding to the product. When the clamp is used for detecting different products, only the special movable plate in the detection clamp needs to be replaced, so that the detection is more convenient and the efficiency is higher; and under the condition that the clamp is universal, possibility can be provided for automation.