At the group level, the author has generally stated that the study of organizational behavior at the group level according to the Islamic approach has been done in four general sections: In the group behavior section, studies including scientific and Islamic views on group formation and its functions, types of groups, group dynamics and analysis of its components, group decision making and how it is in the time of the Prophet (PBUH) and variables It is structural. In the field of organizational communication, the patterns of human communication in Islam and its communication methods have been discussed and the types of communication in Islamic propositions and organizational communication have been studied, and the Islamic model related to it has been developed. In the discussion of power, generalities about the concept of power and its two main types; That is, organizational and personal power has been proposed and moral power has been introduced as the superior power and emphasized by the Infallibles (AS). The important components of this power are piety and piety, kindness and tolerance, love and kindness, repelling evil with goodness and generosity. In the conflict section, analyzes of disagreement, behavioral conflict, conflict and competition have been performed and Islamic approaches to each have been studied