Blackjack, also known as Blackjack, originated in France and has a long history throughout the world. Now, blackjack can be seen in casinos all over the world. With the development of the Internet, blackjack begins to go to the Internet age. The game is played by 2 to 6 people, using 52 cards other than size kings, the goal of the player is to make the sum of the points in the hand no more than 21 and try to be as large as possible.