An imitation candle lamp includes a candle cylinder, a lamp head, a imitation flame, an elastic shaft, a driving device and a power supply. The lamp head is installed on an upper end of the candle cylinder, the power supply is configured inside the candle cylinder, a through hole is provided at a middle of the imitation flame, the elastic shaft runs through the through hole and is fixed on the imitation flame, at least one end of the elastic shaft is fixed on the lamp head, the driving device is configured inside the lamp head and electrically connected with the power supply thereby driving the imitation flame to swing, and the elastic shaft is deformed accordingly to produce an elastic force whereby the imitation flame swings reversely. The lamp is power-saving and has excellent imitating effect.