1 economic problems. Holding the Olympic Games needs a lot of money, and the money won't come back soon, especially in the country's economic downturn will not hold the Olympic Games.
2 political reasons. For example, some countries and the international relations of some world powers have a lot of conflict, then they do not want to host the Olympic games.
The Olympic Games (Greek: April PI iota alpha kappa lambda Mu V / V alpha gamma epsilon; French: Jeux Olympiques; English: Olympic Games) referred to as the "Olympic Games", is the International Olympic Committee to host the world's largest comprehensive sports games, held every four years, will not more than 16 days, divided into summer Olympic Games (Olympics), Winter Olympic Games (games), summer Paralympic Games (Paralympic Games), the Paralympic Winter Games and the Summer Youth Olympic Games (YOG) and Winter Youth Olympic games.
有些國家不願意舉辦奧運會的原因：
1.經濟問題。舉辦奧運會需要投入大量金錢，而且投進去的錢並不會馬上賺回來，尤其是在國家經濟不景氣的時候就不願舉辦奧運會了。
2.政治原因。比如某些國家與壹些世界強國國際關系有很大沖突，那麽他們也不願舉辦奧運會。
奧林匹克運動會（希臘語：Ολυμπιακο? Αγ?νε?；法語：Jeux olympiques；英語：Olympic Games）簡稱“奧運會”，是國際奧林匹克委員會主辦的世界規模最大的綜合性運動會，每四年壹屆，會期不超過16日，分為夏季奧運會（奧運會）、冬季奧運會（冬奧會）、夏季殘疾人奧運會（殘奧會）、冬季殘疾人奧運會、夏季青年奧運會（青奧會）和冬季青年奧運會。