The study, which came under the title (Peace Building in Crisis Societies, dealt with international official actors and political systems (Case study of Burundi), the nature of peacebuilding, which expresses a set of processes and mechanisms that work to address the unstable situation in crisis societies, including Burundi, which often suffers from crises and conflicts, as this phenomenon has become global, represented by the weakness or absence of real peace in many countries, of societies, due to many political, economic, social or sectarian reasons, until peacebuilding has become the ultimate goal that international and regional bodies, institutions and organizations work to achieve in accordance with organized controls, mechanisms, strategies and rules.