Test method and test instrument for user smell experience in product innovation design expression

The invention discloses a test method and test instrument for user smell experience in product innovation design expression. By displaying the product innovation design expression on a computer screen, a user observes the product innovation design expression on the screen; when the user wants to experience a smell of a material used in a product design diagram, the user clicks a region of some material in the product innovation design expression diagram displayed on the screen through a mouse, a test system outputs a control signal to a smell generator; the smell generator automatically blows a smell of the material used in a product selected by the user on the screen; and at the same time, a product whole or material smell experience questionnaire window is popped on the screen, the user selects answers according to questions and a test software stores, processes and outputs a user experience test evaluation report, so that a designer can carry out smell experience test on a target user for the smell of the material adopted in the product innovation design expression diagram, in a novel product development conceptual design stage.