This article focuses on mission relationship between Korea and China of change politics, economics, diplomacy. Now the China has more tension and conflicts in circumstance in Northeast Asia. East Asia has a lot of problem and conflicts among North Korea, South Korea, Japan, and China. Last month, during the China as President of Xi Jinping has visited Korea, North Korea launched missile to East Sea in South Korea. The Japan opened release control of North Korea. Today, in this situation, we think about foresight and preparation in future mission. This paper deals with complicated circumstance change in Northeast Asia, so we study that what do the role of Korea church work toward the China mission? We consider that Korea church should be prepares future mission in Northeast Asia. We have partnership and communication with between Korea and China in Christianity leader and group. One more thing, we need to communicate with cultural fellowship, social service, and strategy cooperation with each others. This purpose of China mission need to positively maintain a good relationship with Chinese church leaders and have united activities together. Contextualization strategies fit for Chinese culture and soil are required as well.