The reform of medical insurance payment and performance evaluation based on Diagnosis Related Group(DRG) will promote the establishment of a value-based medical service system. Public hospitals should establish a new performance distribution system，so as to provide effective adjustment means for the improvement of its income structure and the optimization of the hospital's disease structure. Through the exploring the performance allocation theories and methods，the sample hospital is selected as the example to construct a DRG Integral Efficiency performance system based on RBRVS was formed. It manages to promote the organic combination of clinical diagnosis and treatment and department operation，guide clinical departments to turn to a treatment behavior that balance efficiency and effectiveness，and reduce the medical burden of patients and improve clinical department's performance at the same time.