The choice of this job is not the result of chance and is not without interest. Indeed, terrorism has nowadays become one of the most dangerous threats to international peace and security, and in particular the Islamic state in West Africa represents a serious threat to the states bordering Lake Chad. . Thus, strengthening security is now becoming a major stake in ensuring the peace of the populations. Because any country, regardless of its geographic location and policy, can be the target of this group. Protect the populations and countries affected by these terrorist threats. This allows us immediately, for the sake of research and maintenance of peace and security, to come up with approaches to solutions in the context of the fight against this nebula. In the urgency of effectively combating this Islamist sect, it is urgent to set up a joint operation between Nigeria and its neighbors.