Disclosed are a candlewick and an electronic candle. The candlewick includes a candle flame sheet, a light-emitting element, a left support, and a right support. The left support and the right support are assembled to constitute a flame sheet support. The light-emitting element is mounted in the flame sheet support. A first support beam for supporting the candle flame sheet is disposed in the left support. An upward-facing first support portion is formed at one end of the first support beam. A downward-facing limiting opening is formed at a lower portion of the candle flame sheet. A top end of the first support portion abuts against a top wall of the limiting opening.