Rotary vehicle-mounted flat plate for automobile backseat

The utility model discloses a rotary type vehicle-mounted flat plate for an automobile backseat, which comprises a flat plate body, a fixing clamp and a connecting and operating support, the side surface of the flat plate body is provided with the fixing clamp, and the side surface of the flat plate body is fixedly clamped with the connecting and operating support. The vehicle-mounted tablet personal computer has the advantages that the fixing clamp is additionally arranged on the side face of the tablet personal computer body, the tablet personal computer body can be fixedly clamped with a platform or a support where the tablet personal computer is installed conveniently through the fixing clamp, and therefore the vehicle-mounted tablet personal computer is more conveniently connected with the fixing base and the fixing support of the vehicle-mounted tablet personal computer; wherein the stretching rod can be pulled out by a proper distance, so that the tablet computer is close to a user or retracted to be c