Abstract: The best emergency repair strategy is determined according to the results of damage assessment, available repair resources and, repair time, which can effectively improve the seismic performance of seismic-damaged structures. In this study, various damage indexes or models of member-level and structure-level and their applicable conditions are summarized and compared. In view of the fact that the available repair resources and repair time after an earthquake are limited, the method and process for determining the optimal imperfect maintenance strategy of seismic-damaged structures are introduced. On this basis, the method for determining the optimal repair sequence considering seismic resilience is proposed. Finally, it is recommended to introduce the uniform risk spectrum to analyze the seismic fragility of seismic-damaged structures and to compare the repair effects. Taking a 5-storey reinforced concrete frame structure as an example, the repair analysis and resilience evaluation are carried out. The results show that: the emergency repair strategy of seismic-damaged structure based on the optimal imperfect maintenance strategy proposed can effectively improve the seismic performance of structures under the premise of meeting the constraints; the method of determining the optimal repair sequence considering seismic resilience can ensure that the seismic performance of seismic-damaged structure can be improved most rapidly during the repair process; the results of seismic fragility analysis considering uniform collapse risk confirm that the collapse risk can be effectively reduced by repairing seismic-damaged structures. And above research can provide suggestions for the emergency repair of seismic-damaged structures.