Flashing color-variable candle

The utility model relates to a flashing color-variable candle, mainly comprising a candle body. The inner of the candle body is provided with a thread combustion wick and a plastic optical fiber parallel to the thread combustion wick. The inner of the candle body bottom is also provided with a bottom shell which is provided with light emitting diodes, an integrated circuit, a button cell and a photoresistor joined to each other, wherein, the photoresistor aims at the plastic optical fiber, so that the candle-light conducted by the optical fiber can beat down on the photoresistor. When the utility model is lit, the flicker luminous colors of the light emitting diodes can automatically change and can not restricted by the self luminescence colors of the light emitting diodes, so as to provide rich flicker colors.