The present invention provides a pixel drive circuit, wherein the pixel drive circuit comprises a plurality of cascading pixel drive units, and each pixel drive units comprising: a first resetting circuit is connected to a first pixel for receiving an input voltage and resetting the first pixel; a second resetting circuit is connected to a second pixel for receiving an input voltage and resetting the second pixel; a first controlling circuit is connected to the first and the second resetting circuits for receiving a reference voltage and supplying the reference voltage to the first and second resetting circuits; and a second controlling circuit is connected to the first and the second resetting circuits for receiving data voltages and supplying the data voltages to the first and the second resetting circuits to drive the first and the second pixels simultaneously.