The invention discloses a method for advanced treatment of salt-containing oil-refining wastewater. The technical solution is as follows: the pretreated salt-containing oil-refining wastewater entersan aeration tank (5), powdered activated carbon is added, and then alkane degrading bacteria, o-xylene degrading bacteria, and salt-tolerant heterotrophic nitrification aerobic denitrification bacteria are simultaneously added to perform biological enhancement treatment; then the wastewater enters a secondary sedimentation tank (6) and a high-density sedimentation tank (7) in sequence for precipitation treatment; after the precipitation treatment, the wastewater is pumped into an ozone catalytic oxidation tower (9), and ozone is added to the ozone catalytic oxidation tower (9); a tail gas discharged from the ozone catalytic oxidation tower (9) is decomposed by an ozone destroyer (10); and finally, dibutyl phthalate degrading bacteria and salt-tolerant heterotrophic nitrification aerobic denitrification bacteria are added to the salt-containing oil-refining wastewater of a post biological treatment tank (11). COD, NH3-N, and TN of the outlet water after post-biological treatment are respectively decreased to 32-43 mg/L, 0.5-2.5 mg/L, and 3-9 mg/L. The method has the advantages of simple treatment process, and good treatment effects of the salt-containing oil-refining wastewater.