The present application discloses an OLED driving circuit and an OLED display panel. The OLED driving circuit including a switch thin film transistor, a driver thin film transistor, a storage capacitor, and a compensation circuit, a first terminal of the switch thin film transistor receives data signal, a gate of the switch thin film transistor receives the nth level scanning signal, a the second terminal of the switch thin film transistor is electrically connected to a first terminal of the driver thin film transistor, a gate of the driver thin film transistor is electrically connected to a voltage source through the storage capacitor, and a second terminal of the driver thin film transistor is electrically connected to the positive electrode of the OLED through partial of the elements in the compensation circuit, the negative electrode of the OLED is loaded low electrical level.