Abstract: In order to obtain the key user needs and the accurate ergonomic product design proposals, a user need model construction method and specific procedures integrating the method of the global human interface elements (HIEs) deconstruction and Kano model analysis has been proposed for ergonomic product. The multi-dimensional design feature space was established based on the global HIEs deconstruction. The key user need factors and their weight ranking which influence the overall satisfaction of the design were obtained by factor analysis and multiple linear regression. Then, combined with the Kano model and questionnaire method, the type of key user needs was established and the ergonomic product design was proposed. Finally, through the example of the design of shoulder and cervical vertebra massage device, the feasibility of the proposed model was demonstrated.

Key words: the global HIEs deconstruction, ergonomic product design, user need, Kano model, model construction