Terrorism issue is among Singapore’s watchlist. Singapore has five regulations regarding the issue, consisted of Internal Security Act, Terrorism Suppression of Financing Act, Terrorism Suppression of Bombings Act, Criminal Procedure Code, Terrorism Suppression of Misuse of Radioactive Material Act and Public Order and Safety Special Powers Act which allow the use of coercive power. The analysis on regulations’ indicators that interpreted to three different approaches (realism, liberalism and constructivism), showed that realism approach strongly integrated the governance of the implementation and the outcome of policies aimed by the Singapore government.