Accounting conservatism is one of the important attributes of earnings. The academic argued that the earnings conservatism of firm correlates with corporate governance mechanisms. This paper used C-Score to measure earnings conservatism and examined the relationship between corporate governance and earnings conservatism in Taiwanese listed companies. The results showed that size of the board of directors, the deviation level of control rights and cash-flow rights, percentage of family shareholding were positive related to earnings conservatism, but the manager as concurrent director, ratio of independent directors, percentage of managers shareholding, percentage of directors shareholding, percentage of major shareholders shareholding were negative related to earnings conservatism.