A method of materials design through multi. disciplinary use of materials information, ''materials curation'', is presented. Examples of materials design or prediction of material behavior, such as work function tuning in binary alloy systems and a guideline of thermoelectric material search, by utilizing already existing various information on materials are demonstrated. The method utilizes materials information in different fields, for example, device physic + surface physics + metallurgy, or growth kinetics + crystallography + phase diagram. To make such multi. disciplinary use of materials information easier, a tool that enables anyone to connect various physical quantities in different fields has been under development.