The purposes of this study were to understand the status of physical activity for the rural elderly and to explore the relationships between subjects’ personal characteristics, health status, social support, community involvement, and self-efficacy and their physical activity. A cross-sectional design was used in this study to interview the elderly who were actually lived in Sing Chung village of San-Zhung town. There were totally 202 elderly and 148 of them agreed to participate. Data analysis methods included independent t-test, one-way ANOVA, Pearson r correlation, and the multiple regressions.