The Olympic and Paralympic Games are the most important sport event in the world. The modern Olympic Games are no longer just a major athletic forum, but also a great chance for the Olympic Games’ country to improve its economic and social circumstances. In addition to the long-term positive social and economic changes Olympic Games make it possible to obtain some intangible benefits. All these advantages explain the fact why many nations compete for the right to be the Olympic Game’s country. On the other hand there are a lot of reasons why Olympic Games may have negative impact on the country hosting them.