The coating solution, a conductive thin film formed by using a coating solution, and method of forming

1,2-benzenediol, phenylenediamine, 2-aminophenol, 2-aminothiophenol, Antoranikku acid, salicylic acid, reacted with ligand represented by thiosalicylic acid, indium (In), tin (Sn) or to provide a coating solution containing a metal material containing indium (In) tin (Sn) both. The invention further coating the coating liquid on the substrate surface, followed by baking to form a coating film, changing the one or more selected from the group consisting of the metallic material contained in the coating film on the conductive thin film providing a conductive thin film obtained by the forming method and the method for producing a conductive thin film. Transparency and high conductivity by the present invention, it is possible adhesion to the substrate to obtain a high conductivity film.