Аннотация:The article replaces the role of “Islamic experience” in European countries. The purpose of the article is to show the scope and dimensions of research on the Muslim community in European society, address the problem of radicalism in Muslim communities, and consider common integration measures acceptable to European organizations. Methodology of articles of international law for the analysis of scientific articles in relevant and domestic journals in popular areas, Collection of European statistical documents, international documents of European countries necessary for the development of integration scientific research.Conclusions. The achieved results of the study determine the main scale of the presence of Muslims in Europe, their study of European society and risks, shows the prospect of a meeting of the European community of self-consciousness and European security. Samples are made about the segmentation of a significant part of the Muslim population, the chosen radicalization and recruitment of terrorists, and the development of tough tools in the fight against the danger of terrorism. Scientific and practical significance consists in developing a detection of the formation of a high-level Muslim system in the Russian host society in terms of the intensity of the transfer of flows. Using the experience of Western countries in Russian realities is in great demand.