This study established the need for a decision-making system to conserve and utilize negative heritage based on conflict management, identified the conflict-related characteristics of negative heritage conservation and utilization cases and suggested a decision-making system for negative heritage conservation and utilization thereof. In particular, this study conducted a conflict impact analysis on Sorokdo, Goheung, to predict conflict issues that may arise during the conservation and utilization of the negative heritage and propose a decision-making system for conflict resolution.