A candle flame piece flickering device includes a housing, a candle flame piece, a bracket, a bias coil and a circuit board, wherein a flame piece is arranged at an upper part of the candle flame piece; a counterweight column is arranged at a lower part of the candle flame piece; a permanent magnet is embedded in the bottom of the counterweight column; a support flange protruding upwards is arranged on a top surface of a vertical part of the bracket; a guide limiting column protruding downwards is arranged on a bottom surface of the vertical part; a horizontal part of the bracket is connected with an inner wall of the housing; and the support flange of the bracket is movably supported in a recessed part of the candle flame piece, so that the whole candle flame piece is movably suspended in the housing by the bracket.