It is reported that community participation significantly facilitate aged people's life adjustments. This study was aimed to examine the crucial factors affecting the willingness of senior citizens to participate the volunteer team in Taitung county. The collected data, based on a survey of 179 respondents, were analyzed by contingency tables and Chi-square test. The results indicated that ”health” and ”interpretation experience” had significant impact on interviewed senior citizens' willingness to participate the volunteer team. As senior citizens have their aged life well-planed and actively participate the community activities, they will be satisfied with their lives.