After splitting aces, the common rule is that only one card will be dealt to each ace; the player cannot split, double, or take another hit on either hand. Rule variants include allowing resplitting aces or allowing the player to hit split aces.
After splitting aces, the standard rule dictates that only one card is dealt to each ace; players cannot split, double, or take another hit on either hand. Variations in rules include permitting resplitting aces or allowing players to hit split aces.