This study focuses developing an effective mission strategy in a cyber culture to reach the new generation in Korea. It asks these important questions: "What are the barrier for the Korean churches in evangelism to the new generation?" "How can Korean churches change their Cyber culture in mission for the unchurched new generation?" In order to answer these questions, data was collected through questionnaires and interviews with members of the new generation in Korea. Both the characteristics of the new generation, and those of the emerging Cyber culture in Korea, were analyzed. Concerns for effective strategies of Korea church mission was an important issues in this study of how best to reach for Christ the Korean new generation. The writer's experience of mission in the Korean context led him to the strategy that the Korean churches need a multimedia mission approach using Cyber culture. Multimedia mission is a challenge for Korean churches seeking to reach the new generation. Korean churches need to be develop the mission strategies using multimedia appropriate for the Cyber culture of the new generation. Such multimedia must be part of an effective mission toward the new generation who embrace a Cyber culture.