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Abstract:   With the development of industry，the increasing discharge of highly saline organic wastewater plays adverse impacts on the environment. In this paper，the application of conventional physico-chemical methods，especially membrane separation technology，for the treatment of highly saline organic wastewater is summarized. The biological methods，including aerobic，anaerobic and aerobic/anaerobic hybrid technologies are also widely used in disposing of highly saline organic wastewater，and the performance of which depends on the cultivation and domestication of halophilic microorganisms. The synthesis of high-efficiency oxidants，preparation of membranes with better cost performance，rapid acclimatization of halophilic bacteria and development of new reactor would be hot points in treatment of highly saline organic wastewater；and the combined technology of physico-chemical methods and biological methods would be the future research orientation for treatment of highly saline organic wastewater.

Key words:  , highly saline organic wastewater；physico-chemical methods；biological methods；combined technology