A light emitting diode driving circuit, comprising a rectifier filter module, a DC-DC converting module, a high-frequency rectifier module, a boost circuit, a LED load, a protective circuit and an output feedback module, wherein the protective circuit is fed by a first power source and a second power source, which are controlled by the protective circuit to output a voltage to the boost circuit to drive the LED load, the boost circuit has an input terminal connected to the first power source for pulling up a voltage outputted by the first power source, the boost circuit comprises an LED driving chip having a start terminal, in response to the start terminal receiving a driving voltage outputted by the protective circuit, the LED driving chip starts to work to output the pulled-up voltage to drive the LED load, the protective circuit, comprising a Zener diode, a potential dividing unit, a first switch unit, and a second switch unit, a cathode of the Zener diode connected to the first power source and an anode of the Zener diode connected to an input terminal of the potential dividing unit, the potential dividing unit comprising a first resistor and a second resistor, the first switch unit has a control terminal connected to an output terminal of the potential dividing unit, an input terminal connected to the second power source, and an output terminal connected to a control terminal of the second switch unit, and under control of a first control signal outputted by the output terminal of the potential dividing unit, the first switch unit is configured to output a second control signal to the control terminal of the second switch unit; the second switch unit has an input terminal connected to the second power source and an output terminal connected to the boost circuit, the second switch unit is configured to output the driving voltage to the LED driving chip of the boost circuit under control of the second control signal; the first switch unit comprises a third resistor, a fourth resistor, a first capacitor, and a first switch; the third resistor has a first terminal connected to the output terminal of the potential dividing unit, and a second terminal connected to a first terminal of the first capacitor and a control terminal of the first switch, the first capacitor has a grounded second terminal; the fourth resistor has a first terminal connected to the second power source, and a second terminal connected to a first terminal of the first switch and the control terminal of the second switch unit, the first switch has a grounded second terminal; and the second switch unit comprises a fifth resistor and a second switch; the fifth resistor has a first terminal connected to the second power source, and a second terminal connected to a first terminal of the second switch and the boost circuit; the second switch has a control terminal connected to the control terminal of the second switch unit, and a grounded second terminal. the protective circuit is fed by a first power source and a second power source, which are controlled by the protective circuit to output a voltage to the boost circuit to drive the LED load, the boost circuit has an input terminal connected to the first power source for pulling up a voltage outputted by the first power source, the boost circuit comprises an LED driving chip having a start terminal, in response to the start terminal receiving a driving voltage outputted by the protective circuit, the LED driving chip starts to work to output the pulled-up voltage to drive the LED load, the protective circuit, comprising a Zener diode, a potential dividing unit, a first switch unit, and a second switch unit, a cathode of the Zener diode connected to the first power source and an anode of the Zener diode connected to an input terminal of the potential dividing unit, the potential dividing unit comprising a first resistor and a second resistor, the first switch unit has a control terminal connected to an output terminal of the potential dividing unit, an input terminal connected to the second power source, and an output terminal connected to a control terminal of the second switch unit, and under control of a first control signal outputted by the output terminal of the potential dividing unit, the first switch unit is configured to output a second control signal to the control terminal of the second switch unit; the second switch unit has an input terminal connected to the second power source and an output terminal connected to the boost circuit, the second switch unit is configured to output the driving voltage to the LED driving chip of the boost circuit under control of the second control signal; the first switch unit comprises a third resistor, a fourth resistor, a first capacitor, and a first switch; the third resistor has a first terminal connected to the output terminal of the potential dividing unit, and a second terminal connected to a first terminal of the first capacitor and a control terminal of the first switch, the first capacitor has a grounded second terminal; the fourth resistor has a first terminal connected to the second power source, and a second terminal connected to a first terminal of the first switch and the control terminal of the second switch unit, the first switch has a grounded second terminal; and the second switch unit comprises a fifth resistor and a second switch; the fifth resistor has a first terminal connected to the second power source, and a second terminal connected to a first terminal of the second switch and the boost circuit; the second switch has a control terminal connected to the control terminal of the second switch unit, and a grounded second terminal.