近年来,我国的彩票市场日益蓬勃发展,运营机制日趋成熟,彩票也越来越收到人们的支持。我们都知道彩票中大奖的概率很小,可是到底有多小?本文对此进行了研究,同时也计算了彩票的中奖期望额。而彩票理论上来说应该是随机开奖的,事实上是否真的是随机的?是否具有投机性?本文也对此进行了探讨。 In recent years, the lottery market in our country has been booming day by day. The operating mechanism has matured and lottery tickets have received more and more support from people. We all know that lottery jackpot probability is very small, but in the end how small? This paper conducted a study, but also calculated the winning lottery lottery expectations. The lottery theoretically should be a random lottery, in fact, whether it is really random? Is it speculative? This article also discussed.