The article is an analysis of the current situation in European Union caused by the "terrorist tension" and defines the phenomenon of Muslim religious terrorism. Selected terrorist acts made in Europe in 2015-2019 in the context of religious radicalism were discussed. Attention was paid to the profile of the Muslim terrorist and the motives of his actions and readiness for suicide. In addition, the article discusses the reasons for the radicalization of views among Muslims living in Europe. Shaping radical attitudes in the Muslim community is a way of defending religious values against Western cultural aggression. Also important are religious centers of Islam, and therefore imams and mosques, which are financed by Muslim radicals.