In the international community, the United Nations has carried out a series of resolutions and conventions in coordinating, preventing, and combating terrorism, and countries have actively cooperated in the fight against terrorism. However, the counter-terrorism policy of the United States is more radical than that of other developed countries. Using a comparative case study approach, the article analyses the reasons behind the USs aggressive counter-terrorism policy by comparing Frances counter-terrorism policy after the November 13 terrorist attacks with that of the US. The article argues that the US counter-terrorism policy is partly a means of defending its hegemonic position and protecting its strategic interests, compared to Frances prioritization of domestic counter-terrorism due to factors such as its history of terrorism and geopolitics. On the other hand, the US counter-terrorism strategy is also about promoting American values and democracy on a global scale. At the same time, it should not be overlooked that the USs strong economic and military power, as well as its diplomatic influence at the international level, support the US in its war on terror and trade embargo against countries such as Iran and Syria. This study aims to identify the reasons for the USs radical counter-terrorism policies by comparing the contrasting counter-terrorism policies of the US and France, which are also developed countries, and to provide a case study for a later study of a rational counter-terrorism landscape.