Fouling problems caused by oil and other pollutants is one of the most severe challenges for membranes used for purification of comprehensive oil-in-water emulsions. Poly(tetrafluoride-r-vinylpyrrolidone) (F-VP) with low-adhesive superoleophobicity is a class of novel material for fouling-repellent membrane modification to achieve highly-efficient separation of complex oily wastewater. In this work, the construction of an ultrathin F-VP layer with a controllable thickness of 2 mu m supported by polyvinylidene difluoride (PVDF) substrate was achieved, via an extremely simple, scalable and one-step surface modification process. Benefiting from the ultrathin modification F-VP layer, the resultant F-VP/PVDF membrane exhibited a superior comprehensive fouling-resistant and fouling releasing property, while maintaining a high mass-transfer efficiency without significant permeance sacrificing. The intrinsically non-fouling nature of F-VP modification layer endowed the F-VP/PVDF membrane with superoleophobic property to various oils, superhydrophilic/under oil superhydrophilic properties, and excellent antifouling property for comprehensive oil-in-water emulsions. The F-VP/PVDF membrane has high water permeance of 4612 L m(-1) h(-1) bar(-1), and high emulsion permeance of 461 L m(-1) h(-1) bar(-1) (10000 ppm soybean oil-in-water emulsion) with high rejection ratio of > 99.9%, and an outstanding, stable fouling-resistant and fouling-releasing property of similar to 93% flux recovery over 5-time continuous cyclic tests. Overall, this work provides an insight into a facile preparation of advanced composite membrane with ultralow fouling-propensity property, which shows great potential in treating practically challenging emulsified wastewater.