Abstract: Anti-corruption is closely related to the long-term stability of the country, which has played a key role in its modernization of the national governance. The corruption combat is an ultimate approach to improve the national governance, which can also optimize the national governance architecture and institutional system, and improve the consciousness and capability of the ruling power for the people. How to supervise and restrict the power is an important part of the anti-corruption and modernization of the national governance. The four countries in East Asia have similar historical and cultural background with China. Their experiences of the corruption combat offers great reference for China to promote the modernization of the national governance and the construction of clean government. Based on the document analysis and field research results, from the two perspectives of history and reality, and by the comparative approach, this article systematically analyzes the concrete measures of the mechanism anti-corruption and the social anti-corruption of the four countries in east Asian and their influence on the modernization of the national governance. This has an important practical significance to run the party strictly, catch hold of the few key cadres, optimize the civil servants property declaration system, complement the short board of the anti-corruption, strengthen the institutional anti-corruption, and establish the clean relationship between politics and commerce through the systematic supervision.