Shell candlestick with flame-proof function

The utility model relates to the field of lighting devices, in particular to a shell material candleholder with a flame-proof function, which comprises an outer sleeve, a lower sleeve is arranged below the outer sleeve, a communicating pipe is connected between the lower sleeve and the outer sleeve, a clamping sleeve is sleeved on the outer side of the communicating pipe, a rotating rod is mounted on the outer side of the clamping sleeve, and the rotating rod is sleeved on the lower sleeve. A supporting rod is installed at the free end of the rotating rod, and the lower sleeve is filled with a fire extinguishing agent. The lower sleeve is filled with the fire extinguishing agent, the fire extinguishing agent can be made of flame-retardant materials, when the lower sleeve is controlled to rotate upwards, the fire extinguishing agent in the lower sleeve can flow into the outer sleeve through the communicating pipe to extinguish a candle, meanwhile, burnt candle oil can flow out through the oil discharging groov