摘要：Abstract Complexity, whether exists or we use this term to refer to a specific position or situation? In other words, whether it is a fact or our interpretation of a particular situation? Anyway, for successful and effective management in organization theories and management knowledge, nowadays there are many discussions of the Existence of complex organizations and the necessity to revise their ideas, thoughts and understanding re-engineering. Where, chaos theory also confirms the existence of complex organizations. Accordingly, the nature of complexity, why and how it occurs and ultimately effective strategies to manage complex organizations have been explored and emphasized increasingly. In this paper, complexity and organizational complexity have been discussed in terms of incidence and existence. After that, complex organizations’ management process is defined and outlined. Finally, for better management of complex organization, effective guidelines have been discussed with a particular emphasis on and approach to the use of dialogue technique.
