The European Cup enters the knockout rounds and the tournament is getting better. It doesn't mean that everyone can "gamble thousands of money" unscrupulously. Lottery friends also need to be more rational when betting. Irrational gambling behaviors such as large-value betting have emerged one after another, and social problems brought about by various aspects have become increasingly prominent. Healthy gambling, avoid all potential risks. Only when fans maintain a rational and restrained attitude towards gambling can they finally enjoy the fun of gambling.