After the fall of the Gaddafi regime in February 2011, Libya turned into a theater of conflicts between various armed groups, and the country was divided into two independent governments, one in eastern Libyan, headed by Abdullah Al-Thani and supported by the forces of Major General Khalifa Haftar. As for the capital, Tripoli, and the west, is run by the Government of National Accord headed by Fayez Al-Sarraj. International and regional parties tried to intervene, and The intervention of the United Nations was decisive, which gave the crisis another dimension. In this study, we will discuss the extent of the role of the United Nations in resolving the conflict and what programs it used by discussing the United Nations mission in Libya.