Provided are a light emitting diode (LED) lighting device and a method of controlling the same. The LED lighting includes an LED module in which a plurality of LED arrays having a plurality of LEDs connected in series are connected in parallel, a constant current supply configured to apply a constant current to the LED module, variable resistors connected to the LED arrays in series, respectively, and a controller configured to control the constant current supply and the variable resistors, wherein the controller adjusts the variable resistors and matches overall resistance of the respective LED arrays to maintain balance of a current thereof when one or more current values of measured current values of the LED arrays are in an abnormal range.