A table game system for detecting arrangement order irregularities of playing cards, comprising: a predetermined number of playing cards having been shuffled in advance; a card shoe apparatus for storing the shuffled playing cards and used by a dealer to manually deal the cards housed in the card shoe apparatus one by one onto a game table, the card shoe apparatus including: a card housing unit for housing the shuffled playing cards; an opening through which the cards are drawn from the card housing unit one by one; a card reading unit that reads information from each of the cards drawn from the card housing unit; an output unit that outputs a result of a winner/loser determination; means (12, 13) for storing rules of a card game and determining the winner/loser of the card game; and means for detecting whether or not there is any arrangement order irregularity on the shuffled playing cards based on ranks or suits of the cards manually dealt from the card shoe apparatus one by one onto the game table, wherein the means for detecting are adapted to detect at least one of the following arrangement order irregularities: the rank of a card read by the card reading unit is larger or smaller by one than a preceding card read by the card reading unit for the predetermined number of cards; the same rank continues for the predetermined number of cards read by the card reading unit; the same suit continues for the predetermined number of cards read by the card reading unit; the same sequence is repeated for the predetermined number of cards read by the card reading unit. a predetermined number of playing cards having been shuffled in advance; a card shoe apparatus for storing the shuffled playing cards and used by a dealer to manually deal the cards housed in the card shoe apparatus one by one onto a game table, the card shoe apparatus including: a card housing unit for housing the shuffled playing cards; an opening through which the cards are drawn from the card housing unit one by one; a card reading unit that reads information from each of the cards drawn from the card housing unit; an output unit that outputs a result of a winner/loser determination; means (12, 13) for storing rules of a card game and determining the winner/loser of the card game; and means for detecting whether or not there is any arrangement order irregularity on the shuffled playing cards based on ranks or suits of the cards manually dealt from the card shoe apparatus one by one onto the game table, a card housing unit for housing the shuffled playing cards; an opening through which the cards are drawn from the card housing unit one by one; a card reading unit that reads information from each of the cards drawn from the card housing unit; an output unit that outputs a result of a winner/loser determination; means (12, 13) for storing rules of a card game and determining the winner/loser of the card game; and means for detecting whether or not there is any arrangement order irregularity on the shuffled playing cards based on ranks or suits of the cards manually dealt from the card shoe apparatus one by one onto the game table, wherein the means for detecting are adapted to detect at least one of the following arrangement order irregularities: the rank of a card read by the card reading unit is larger or smaller by one than a preceding card read by the card reading unit for the predetermined number of cards; the same rank continues for the predetermined number of cards read by the card reading unit; the same suit continues for the predetermined number of cards read by the card reading unit; the same sequence is repeated for the predetermined number of cards read by the card reading unit. the rank of a card read by the card reading unit is larger or smaller by one than a preceding card read by the card reading unit for the predetermined number of cards; the same rank continues for the predetermined number of cards read by the card reading unit; the same suit continues for the predetermined number of cards read by the card reading unit; the same sequence is repeated for the predetermined number of cards read by the card reading unit.