Abstract: The present invention provides an LED lighting device, which can be directly connected to a socket for a fluorescent lamp without revising the socket to a dedicated LED Light circuit. The LED lighting device may be prevented from being damaged by the overvoltage generated in the stabilizer and introduced into the driving circuit, and this device is reactivated when a normal voltage is introduced. For this purpose, the LED lighting device includes first and second power input units, first and second rectification units, a smoothing unit, an overvoltage protection unit, and a driving voltage generation unit.