International cooperation in its criminal dimension in combating terrorism is launched to achieve a vital goal, which is to prevent "Avoiding from Punishment” and not providing a safe haven for terrorists in which to be safe from criminal prosecution for terrorist acts committed. Those involved it which constitute a violation of human values and international peace and security, and for the sake of which all parties have been strengthened the concerned countries. In this regards, the United Nations and regional organizations will make their efforts to confront these transnational crimes where its gravity transcends barriers of sovereignty and the sole interest of the victim state or individuals to the common interest for the international community as a whole, its stability and its basic values. These international efforts have manifested themselves in the outright criminalization of terrorist acts in international conventions, which formed standard rules for the conduct of states in their subsequent fight against terrorism at various global, regional and sub-regional levels, supported by the position of the United Nations, which it announced in the direct condemnation of the Security Council for terrorism and the need to deter and defeat it with concerted cooperation among states in decision by (1373) in 2001, and with the unified strategy of the General Assembly that it adopted to combat terrorism in the year 2006, emphasizing the obligations that fall mainly on states regarding to prevention and suppression to confront terrorism. Among these, the most important of which is international cooperation based on the principle known as "either surrender or trial", to be complemented also by another form of cooperation, which is the provision of legal aid, including the provision of legal aid, and here states must remove the obstacles that stand in the way of an effective investigation of international cooperation in criminal matters. Resulting from reasons related to the legal approach taken by states with regard to activating the rules of international law, whose effect applies to cooperation In terms of combating terrorism or because of conditions related to the same crime in which cooperation is requested, or the person sought for terrorist crimes, being a refugee or enjoying immunity, being one of the officials of the state in which collaboration is requested.