The results of empirical research of the socio-psychological peculiarities of mass communication display, in particular in the media of reality, in the process of community identities interaction are presented. The research was carried out using a qualitative methodology of data collection, based on focus group discussions among the urban and rural population, in different regions of the country. The socio-psychological peculiarities display is revealed in the following directions and under the influence of mass communication: emotional sphere actualization, behavioral models" demonstration and implementation, multivariate media communication between communities, specification of media channels depending on the needs of communities. The peculiarities of mass communication use tools in the community identities interaction during the martial law are highlighted, where the main place is held by a significant increase in the need for access to online media, which provides a sense of security and controllability of events around. The description of specific patterns of media consumption among different communities revealed that trust to media channels increases in the case of unformatted materials gain and with high promptness of event publication. Distinction of misleading materials occurs through a personal assessment of the submitted topics, but taking into account the original source. War actions have greatly increased the dependence on news monitoring among all communities, which provokes negative psychological states, such as anxiety, frustration, feeling stressed, etc.