Abstract The purpose of this descriptive research was to examine the relationship between selected factors and health promoting behaviors among older adults of the elderly school in the community. The purposive sample of 150 older adults of the elderly school in the community who met the inclusion criteria were recruited from Bansuan municipality, Mueang district, Chonburi Province. The research instruments were: 1) the personal information 2) the short version of Thai mental health indicator and 3) the health promoting behavior questionnaire. Data was analyzed by using descriptive statistic, Pearson’s product moment correlation coefficient and the Spearman rank correlation coefficient. The results of this study found that older adults living in the community had a mean score of an overall health promoting behaviors at high level (Mean = 2.99, S.D. = 0.39). Mental health status has significantly positive relationship with health promoting behaviors (r = 0.497, p < .01). Age has significantly positive relationship with health promoting behaviors (r = 0.161, p < .05). Body mass index has significantly negative relationship with health promoting behaviors (r = -0.180, p < .05). The findings of this study can enhance awareness and understanding with the factors related to health behavior among older adults of the elderly schools in the community especially mental health status. In addition, the guideline of health promoting behaviors in older adults of the elderly school in the community should be developed based on the findings in this study. Keywords: community, older adults, health promoting behaviors, elderly school