This study delves into the crisis confronting Korean church missions through the lens of community missions within the context of Celtic Christian communities. In the contemporary era, mission theology continues to grapple with the delineation of the essence of missions, with questions regarding the modus operandi of missions remaining a paramount concern for practitioners in the field. In this juncture of inquiry, the community mission approach as exemplified by Celtic Christian communities from the 5th to the 7th centuries deviates from the conventional focus on the tasks and actions of missionaries. Instead, it proposes a shift towards introspection on their own identity and existential significance in the divine context, prompting the fundamental inquiry, "Who am I, and what should be my way of life before God?" As the Roman Church, which succeeded the early Christian community, underwent institutionalization and politicization, it gradually distanced itself from the teachings and spiritual essence of the early church communities. Conversely, Celtic Christian communities, grounded in the concept of "community," actively cultivated intimate koinonia among their members, established apostolic communities characterized by communal sharing and cooperation, and engaged in a mission deeply rooted in scripture, spirituality, and indigenous cultural context. They thereby inherited and perpetuated the spiritual ethos and missionary zeal found in the Bible. Korean church missions, in their relatively nascent stage, are currently grappling with a crisis, confronted by a rapidly evolving reality that necessitates adaptation and change. The underlying causes of this predicament and strategies to surmount the crisis, propel progress, foster growth, and achieve heightened maturity, remain significant challenges for the Korean church. Consequently, this paper seeks to explore a well-rounded gospel mission that underscores principles of sharing and collaboration, thereby advocating for a paradigm shift in the mission approach of the Korean church.