Abstract: An automatic poker shuffling machine includes a card dispensing device having a vertically movable platform and a first conveyer mounted to the platform; a card cartridge installed on the platform for placing poker cards thereon, the first conveyer being stopped against the poker cards for controllably conveying the poker cards outward; a card collecting device having a movable indexing member and a plurality of card holders mounted to the movable indexing member, a movable indexing member being able to enable the card holders to face the card cartridge alternately for collecting the poker cards conveyed from the card cartridge; and a card retrieving device having a second conveyer corresponding to the card cartridge and to be stopped against the poker cards in the corresponding card holder for controllably pushing the poker cards back to the card cartridge. Therefore, automatic poker shuffling machine has low failure rate and reparative difficulty.