Abstract
Recent years, the template design method has been gathering attention to reutilize the design knowledge efficiently. It can be said that design Template is a sequence of information to decide product specification, but it is not strictly defined because it requires general versatility and independence. In the research, design template is defined as a sequence of information of supposed customer requirements, designers' intention, and assumption of design with top-down product knowledge model. And the method on effective utilization of template is proposed to derive design process according to various customer requirements.