Abstract
It is necessary that a developer evaluates that consideration for needs of older persons and person with disabilities in the process of the product development. A developer has to verify not only technical consideration but also user's sensitivity.This study tried to identify the technical consideration of a product, in order to be accommodate the user's sensitivity.For case study several interviews were carried out with 13 persons, including older and disabled people.Our interview focused on defining the user's needs and problems. According to the results of our survey, this study found out the evaluation index of the older and disabled people's needs.