The supramolecular functional system based on host-guet interaction between monosubstituted ferrocene derivatives and pillararene-based macromolecule molecules has made impressive progress in many different fields. The host-guet interaction between 1,1'-disubstituted ferrocene derivatives and water-soluble pillar[6]arene was preliminarily explored and studied. This work may give some support for the subsequent development of supramolecular functional systems,such as rotaxane, pseudorotaxane systems, based o...