Abstarct: The purpose of the present study was to investigate the impact of consumer’s attitudes towards online group buying on consumer’s buying decisions regarding green products considering personality characteristics. This research is applied in terms of purpose and in terms of the descxriptive-correlational method. The statistical population of this study is all customers of online group buying websites in Iran. 400 questionnaires were distributed among them for data collection and 384 persons were selected as the sample size for a 5% confidence level. Cronbach's alpha and composite reliability indices were used to determine the reliability of the questionnaire and convergent and divergent validity as well as the Fornel-Larker test was used to determine the validity of the questionnaire. Descxriptive analysis was performed using SPSS statistical software and statistical equation modeling statistical technique was used at the inferential level. The results of the research confirmed the 8 hypotheses and rejected the 6 hypotheses in the research.