Population ageing is the main issue of 21st century. For this reason, the World Health Organization proposed the global age-friendly cities guideline. The purpose of this guideline is to provide a age-friendly environment and to let elderly people active aging. However, the guideline should be amended by different cultures and situations in different countries. Recently, the elderly people in Taiwan mainly used medical care service, but lack of the concept of health promotion and prevention. Therefore, this study mainly focused on the basic of age-friendly cities’ overview, and it aims to develop Taiwan exercise promotion index. This index is a suggestion to help the relevant authorities whom have to create age-friendly environment.