A normal pinball machine is an entertainment game device, commonly found in game halls, amusement parks and other places. Players operate the ejection device to launch the pinball into the machine. The pinball will hit various obstacles and scoring devices during the operation. The corresponding score is obtained according to the trajectory of the pinball and the mechanism triggered. The purpose of the game is mainly to challenge high scores and enjoy the excitement and fun during the game. In this case, the pinball machine is a legal entertainment facility.