Since South Korea gained a substantial degree of political and economic development, the South Korean government has tried to eradicate corruption by introducing institutional frameworks in addition to a number of new laws and institutions. As a matter of fact, the Transparency International's Corruption Perceptions Index score of South Korea is improving over time, but it still far behind other leading countries. The purpose of this chapter is to review the South Korean government's efforts at curbing corruption. This chapter first reviews the development of major anti-corruption infrastructure such as the anti-corruption legislation and the South Korean government's independent agency for anti-corruption, followed by discussion of the development of major anti-corruption measures, the international evaluation on corruption, and the role of civil society in curbing corruption. After that, there is a discussion of policy implications and the conclusion.