Shift register and liquid crystal panel driving circuit

The invention provides a shift register and a liquid crystal panel driving circuit employing the same. The shift register comprises a plurality of first shift register units and a plurality of second shift register units, every two adjacent first shift register units are respectively used for receiving first clock signals and second clock signals, and every two adjacent second shift register units are respectively used for receiving third clock signals and fourth clock signals; and each shift register unit comprises a cascading data input terminal, a cascading data output terminal, an output terminal, a feedback terminal and a reset terminal, the outputs of the Mth second shift register unit and the Nth first shift register unit are respectively fed back to the feedback terminals of the (N+1)th first shift register unit and the Mth shift register unit, and the reset terminals and the cascading data output terminals of the Nth first shift register unit and the Mth second shift register unit are respectively an