This article deals with Islam advance and settlement and countermeasure alternative about Islam in Korea. This paper explains mission strategy of Korea churches toward Muslim in Korea society. I think that Islam mission considered complicated culture situation, society changing, and period process. So, Islam mission has so difficult situation in Korea churches. How to get approach Christian mission strategy toward Islam in Korea? I will focuses on a several things Korea churches about Islam mission in this article. First, Christianity could be answers theological issues and problems from Islam`s questions. Second, Korea churches and Christian should be changed paradigm of shift about Islam. The church should be teach Islam issues and theme to congregation members. Third, we will understand social and psychological point about Islam. Fourth, we should propose biblical perspective about Islam challenge and issues. The Korea church understand to based on basis countermeasure and alternative in biblical foundation.