Abstract: A corrosion-inhibited organic waste supercritical hydrothermal combustion treatment system is provided, which relates to the technical field of harmless treatment of organic waste. To address the severe corrosion issues in existing supercritical hydrothermal combustion treatment systems and the resource waste after treatment, the corrosion-inhibited organic waste supercritical hydrothermal combustion treatment system is provided. Based on meeting the requirements for supercritical hydrothermal combustion of organic waste, the system achieves low-cost mitigation of corrosion in both the preheating and cooling sections of a subcritical zone in the supercritical hydrothermal combustion treatment system by injecting supercritical water and incorporating a hydrogen supply unit. Additionally, the issue of resource waste is resolved through the recovery and reuse of hydrogen within the system.