The invention discloses locating detection tooling for an inner supporting plate structure of an automobile door panel. The detection tooling comprises a mold fixing plate and a detection mold arranged on the mold fixing plate, wherein the detection mold comprises an edge fixing die, a middle fixing edge and a workpiece locating device arranged on the mold fixing plate; the edge fixing die includes a first outer fixing die, a second outer fixing die, a third outer fixing die, a fourth outer fixing die, a fifth outer fixing die and a sixth outer fixing die; the middle fixing die is arranged on the mold fixing plate in the middle of the edge fixing die; the workpiece locating device comprises a cylinder squeezer arranged on the mold fixing plate; and an edge limiting platform and a limiting lock pin are additionally arranged on the mold fixing plate. The locating detection tooling disclosed by the invention has the beneficial effects that by setting the edge fixing die, the middle fixing die and the workpiece locating device, the detection tooling disclosed by the invention can be used for enhancing the stability of the inner supporting plate of the automobile door panel during detecting, so as to improve detection precision; and meanwhile, the detection tooling can be used for detecting a finished product more comprehensively, so as to improve the performance of the finished product.