In 2018, Taiwan’s FSC new revised the "Code of Integrity Management of Public Companies", which requires public companies to disclose the company's performance of integrity management operations in their annual reports. Therefore, this study mainly explores the association between integrity management and accounting conservatism. This study uses all public companies in 2018, 2019 and 2020 as samples. We use the C-Score model to measure accounting conservatism. And then we use operation situation of integrity management to measure integrity management. The empirical results show that integrity management has significantly positive effects on C-Score when adding the moderating effect of corporate governance, which means that the accounting of companies with higher integrity management is more conservative than that of companies with lower integrity management.