This study aimed to investigate the role of business ethics and managers’ ؛ personal values in the corporate social responsibility among enterprises. It was conducted in five provinces including Kermanshah, Fars, Zanjan, Markazi, and Kohgiluyeh and Boyer-Ahmad, among 150 agricultural enterprises which were selected through simple random sampling method. The data were gathered by the questionnaire. Validity of questionnaire was obtained through opinions of experts of business ethics and social responsibility. Measuring of its reliability was done through Cronbach's alpha and confirmatory factor analysis. Data were analyzed by using the descriptive and inferential statistics. Results indicated that personal values had the positive and significant effect on business ethics (R=0. 2) and corporate social responsibility (R=0. 12). So, effect of business ethics on corporate social responsibility is a significant direct effect (R=0. 68). Based on the results, it was suggested to enhance the education about ethics among managers of enterprises through holding the courses of business ethics, corporate social responsibility, professional ethics, and standards in agriculture sector.