According to the United Nation, a society becomes a golden-aged society when there is 7% of population over the age of 65. Most developed countries have already reached this status and some have come up with the policies to take care of elderly people’s welfare. Taiwan just became a golden-aged society in 1993. Its policies regarding elderly people’s welfare are relatively incomplete compare to e.g. certain European countries and e.g. Canada in North America. The aim of this research is to understand the decision making factors influencing potential consumers of Senior Residential Hotels to use this type of accommodation. How the marketing strategy affects willingness to stay will be studied in relation to other decision factors such as interest in other forms of accommodation strictly for seniors. Formosa Plastic Group is the first company in Taiwan that has created and started to market Residential Hotels. It has a hotels in Taipei and Chiayi. These are being closely watched by other companies that are considering entering this market. Chiayi has recently been rated as one of the best location for retired people in Taiwan. Therefore, this research is focusing on the residential hotel of Formosa Plastic Group in Chiayi. As well as getting data regarding a particular property, data are to be collected from Lions Club, International; the Rotary Club and other societies in Chiayi. Based on stratified random sampling responses is will be obtained from more than 400 respondents. Finding of this research will be able to provide better understanding of factors that should be considered in future policy and facility planning for Taiwan's seniors.