There is provided a display driving circuit, including: a touch signal terminal, a first clock terminal, a second clock terminal, a power supply terminal, a drive signal enabling terminal, a drive electrode signal terminal, a common electrode signal terminal, and a plurality of sub-circuits connected in cascades, each of the sub-circuits including: a logic unit, a driving unit and a transmission unit, wherein the logic unit is connected to the touch signal terminal, the first clock terminal, the second clock terminal, the power supply terminal, the drive signal enabling terminal, and the driving unit, the driving unit is connected to the transmission unit, and the transmission unit is connected to the drive electrode signal terminal and the common electrode signal terminal. The present application realizes co-electrode time-division multiplexing of the in-cell capacitive touch screen in the narrow-fame display apparatus.