The 11 september 2001 events in the United States of America have constitued undeniably a decisive turning point in the terrorism history. Since this fateful date, the virulent and tragic spread has not spared the DRC than the remaining part of Africa. In reaction to this criminal phenomenon and its tragic consequences, movements of technical adaptation or renforced severity of criminal systems of struggle against terrorist criminality have marked States at the national level as well as the international level. The assessment of Congolese criminal system of struggle against terrorism following terrorist attacks of 11 September 2001 lets foresee a process of puntual adaptation of criminal normativity and institutional frame. It informs (tells) that before the 11 September 2001 situation, the Congolese criminal right of struggle against terrorism comprises a criminal lesgislation wich, though not including norms specific to terrorism, comprises pertinent systems able to prevent and repress activities related to terrorism. But because of the 11 September 2001 attacks, the Congolese criminal system of struggle against terrorism is clearly improved. First, the banning of activies related to terrorism on the national land is constitutionally devoted. Second, the law-maker develops (deploys) a pertinent criminal right that takes place in the general judiciary frame, but not in the exception criminal legislation of struggle against terrorism. However, despite dynamics (process), the state of Congolese criminal judiciary against terrorism provides information on major limits that let foresee the perspective of improvement.