Disclosed is an LED flame lamp with a humidification function. The LED flame lamp with the humidification function comprises a base, a lower shell and an upper shell, wherein the lower shell is connected to the top of the base, and the upper shell is detachably connected to the top of the lower shell. A fan which enables the air to be blown upwards is installed at the bottom of the lower shell. A water tank is installed in the lower shell and located above the fan, and an ultrasonic nebulizer is installed at the bottom of the water tank. A first support is installed on the lower portion of the interior of the upper shell, and an LED is installed above the middle of the first support. A light reflecting cover is installed on the upper portion of the interior of the upper shell. A transparent light guide column is connected with the middle of the light reflecting cover, the upper end of the light guide column is located in the light reflecting cover, the lower portion of the light guide column is connected with a driving fan blade, and the lower end of the light guide column faces the LED. The LED flame lamp with the humidification function can simulate the flame shape, fulfills the function of a decorative lamp, and also fulfills the function of a humidifier.