The art of external intervention as a strategy for conflict resolution and crisis management has been prominent among nations of the world. In Africa, Nigeria has been championing the course of peace in this respect since her independence. Peace keeping is a third party intervention which operates with a set of guiding principles that include the consent of the parties in conflict, impartiality and non use of force except on self defense. Again, foreign policy of any nation serves as a mirror of its domestic reality. It begins with identification and articulation of national interests. Nation’s interest represents and serves the principal consideration in the formulation and execution of national policies especially in international relations. It’s against this background that Nigeria maintained that ‘Africa is the centre peace and security’ in her foreign policy. Consequently, this paper is focused on the appraisal of Nigeria peace keeping efforts in Darfur region of Sudan from 2004-2015. Content analyses were used and system theory was adopted as a foundation to the research. Some of findings made are: 1. Nigeria’s much engagements in peacekeeping operation are affecting her domestic affair. 2. Nigeria lack understanding of the nature of the conflict among parties, various forces at play and psychology/beliefs of the combatants before involving in the conflict process. 3. Terrain, climatic conditions as well as other challenges in Darfur has advert effect on the peace keepers. Recommendations proffered are 1. Nigeria should make adequate operational plans, mandate and focus that are well spelt out with achievable objectives before engaging in future peacekeeping operation. 2. Nigeria should understand understanding of the nature of the conflict among parties, various forces at play and psychology/beliefs of the combatants before involving in the conflict process. 3. Nigeria should adequately make necessary provision that will enable the peace keepers perform their duties appropriately and professional.