The Democratic Republic of the Congo is experiencing a proliferation of armed groups, which are making the country insecure and fragile, and yet it is trying to find its way to development. These armed groups are of two types: foreign armed groups and national armed groups. Overall, all these armed groups have stakes. While these armed groups have had fertile ground in the DRC because of the failure of the state, the only way for the DRC to get rid of them in order to bring about lasting peace is to strengthen the capacity of the state, which can only be achieved through the theory of state rebuilding. This theory insists on the establishment of the rule of law, which is supposed to be based on strong institutions, respect for the law, the promotion of human rights, and governance supported by administration. This rule of law must be able to identify threats and thwart them. The rule of law must be conducted under an enlightened, honest and competent leadership that is capable of implementing the population's policy to avoid resentment, envy, frustration, etc. The rule of law must be based on strong institutions, respect for the law, the promotion of human rights and governance supported by the administration.