Theologians influenced to Ecclesiology of Juk-San Hyung-Ryong Park. Today, with the result of conniving that Theology heads to the wrong direction, which is human-based thought in church, the recovery of disappearance theology is seen as righteous theology and righteous Ecclesiology. However Prof. Hyung-Ryong Park who has contributed himself to define of righteous theology through the history of Korea church asserts to return to the traditional Ecclesiology with first priority. The Ecciesiology of Hyung-Ryong Park is the reformed theology which develops arguments on the basis of sovereignty of God and authority of Bible. His Ecciesiology has been developing in theological circumstances for extirpation of mythicism. liberalism and nonchurch movement. He was influenced by religious belief of Puritan evangelism missionaries in 19th century and pastors of church in Korea who are followed by Bible and Evangelism, especially through study-abroad in America. He has been developing his reformed Ecclesiology under the influence of theologians such as Machen, A. Hodge, A. Kuyper, Westminster Confession and the reformed Theology of Dutches, John Calvin, L. Berkhof and H. Bavinck.