The purpose of this study was to examine how consumers think about the company's sustainability management activities and whether the company's perceived sustainability activities affect corporate trust and purchase intention. The results of the verification of the research hypothesis to be verified in this study are as follows. First, it was confirmed that corporate sustainability management is specifically classified into economic, social and environmental activities. Second, it was confirmed that corporate sustainability management activities have a positive effect on the corporate trust perceived by consumers. Specific influence relationships are as follows. Firm economic activity does not have a significant effect on corporate credibility, but social and environmental activities have a positive effect on corporate credibility. Third, it was confirmed that the company's sustainability management activities had a significant effect on consumer's purchase intention. Specific influence relationships are as follows. While economic and social activities of firms have a positive effect on consumers' purchase intentions, environmental activities have not been shown to have a significant impact. Fourth, it was confirmed that corporate trust perceived by consumers had a positive effect on purchase intention. It is judged that the results of this analysis are presented to corporate managers. In the process of establishing a company's management strategy, it is to confirm that the efforts of sustainable management activities are activities that substantially help the company's stable growth and development.