Nowadays, organizational behavior has a closely relationship with culture and structure. Thus, when the organization made the strategies, they should be paid attention to these factors. In this paper first of all, we review the define of culture, structure and behavior. After that, we will study about the relationship between organizational culture and structure and its effects on behavior. We will describe a variety of approaches to subdividing work at the organizational and unit levels. To profound study about organizations, we also describe organizational behavior, culture, and structure as a hard side of organizations, and we will present their relationship.