Objectives : This study was to investigate the level of oral health concern and the purchase behavior of environmental friendly agricultural products and to determine the relationship between oral health concern and the purchase behavior of environmental friendly agricultural products. Methods : The subjects were 99 male(29.7%) and 234 female(70.3%), who were over 20 years with mean age of 39.6 years. The data was collected using personal interviews and a self administrated questionnaire from August 1 to September 30, 2008. Oral health concern was measured using the 7-items, and the purchase behavior of environmental friendly agricultural products was measured using the 7-items. The data were analysed with t-test, one-way ANOVA and multiple logistic regression using the SPSS 15.0 windows. Results : Regarding oral health concern, the subjects was a mean of 2.86 out of a maximum 5 points. There were differences in the level of oral health concern according to the purchase behavior of environmental friendly agricultural products(experience, period, frequency, price, weight). Conclusions : These results suggest that the strategies of habitual use environmental friendly agricultural products to put in practice oral health promoting behavior is needed to improve quality of life in people.