Aiming at Chinese military’s supporting and logistics insufficiencies in the emergency relief process, it is necessary to build a contractor collaborative guarantee system to meet the emergency relief needs. This paper will introduce and analyze the contractor guarantee, contractor guarantee system and contractor collaborative guarantee system. As a result, its advantages are demonstrated. Coordinated with the army’s forces, an integrated contractor collaborative guarantee system can be established, which not only will reduce the army’s rescuing pressure, but also improve the efficiency and quality of emergency relief work.