From the view of clients and staffs of China Construction Bank in Shenzhen,through establishing comfort index by Likert scale,an integrated evaluation on the comfort of the business halls is carried out by questionnaire.It was shown that there were several factors affecting the interior design: for clients,the sense of comfort involved temperature,atmosphere quality,illumination,dimension of furniture and spaciousness etc.,but the staffs more cared for the crowded degree of indoor environment and the comfort of furniture.The research shows that the Methods of Index Evaluation are easy for handling and transverse comparison.