GUI producing method and system

The graph user interface creating process includes the metadata model establishing step of determining metadata type and its corresponding relation to business data and interface elements based on business data, business data type and interface elements; the business data model establishing step of describing required specific business data with the metadata type to establishing business data model; and the step of creating graph user interface by means of the corresponding relation among the business data model, the metadata model and the interface elements. The corresponding graph user interface creating system includes the metadata model creating unit, the business data model creating unit and graph user interface creating unit.