According to the inquiry of the US delegation, Shengli Billiards learned that there is snooker in the billiard hall of Shijiazhuang Shengli Billiards, and there are various ways to play it. Snooker, also known as obstacle billiards, is a kind of billiards competition. The order of this sport is a red ball and a colored ball until all the red balls fall into the bag, and then all the colored balls leave the table in descending order.