Abstract:In order to provide theory evidence for the intensive study and utilization of feruloylated oligosaccharides（FOs），the paper summarises current research progress on feruloylated oligosaccharides，including their structure，biological activity such as antioxidant activity，anti glycation，proliferation of intestinal probiotics and so on，application，extraction method，separation and purification method，analysis means.Fially，it's the current problems and perspective of development are also prospected.