An electronic candle comprises a candle housing including a plurality of insertions secured in the interior thereof, a bulb protective cap fixed on the top surface of the candle housing, a circuit board engageably fitted into the interior of the candle housing and including a LED arranged on the top surface thereof, a power switch, an electrically conductive ring and an electrically conductive compression spring all in turn secured on the bottom surface thereof, and by way of a chamber surrounded by the ring and the insertions, a cell may be received therein, a bottom lip covered at the bottom of the candle housing, thereby assembling related components easily and lowering production costs.