Sports is one of the good measure to lead the reconciliation and peace to human. Currently, sports has been developed as international event and shown as various types like Olympics and World Cup. At this kind of international sports event, threat of terrors caused by politics, ideology and religion are substantial. Thus, research on the recognition for the security measure of the military organization has been conducted focusing on the military personnel and the results are same as below; First, route of recognition on terrorism, fear recognition on the terror, recognition of the terror and necessity level on the security measure for the terror could be differently detected by the character of answerers. Second, master plan at the national level should be established and educated for the type of terrorism and overall damage status at the military academy and at the military unit ceaselessly. Third, at the classified training by the military personnel’s level and their unit, prevention plan and reaction effort should be conducted. Forth, if the trainers at the military academy in their 40s experienced with more than 20 years get the training as the instructor at the terrorism, they could deliver the contents more practically. Forth, to prevent domestic terrorism, the exclusive organization to drive legislation of relevant law and the policy is necessary.