The invention discloses a lead storage battery package machine clamping jaw feeding mechanism, which comprises a baseboard, clamping jaw parts, a clamping jaw fixing plate, a clamping jaw control device, a moving part, a cam part and a motor. A plurality of polar plates can be clamped simultaneously by the three clamping jaw parts of the lead storage battery package machine clamping jaw feeding mechanism provided by the invention, so that the positive and negative plates of a storage battery pack can be conveniently distributed and combined according to the required order, therefore, the production efficiency of an enterprise is greatly improved and contact between workers and heavy metals is reduced.