The present application relates to novel isomaltooligosaccharide (IMO) compositions containing isomaltulose, methods for preparing the same and uses thereof.Specifically, the IMO compositions according to the present application containing isomaltulose, which is a sugar component not contained in currently available isomaltooligosaccharide products, have a quality of sweetness and degree of sweetness differentiated from the existing isomaltooligosaccharide products and thus can be used as sweeteners for more various applications.