The Financial Supervisory Commission announcing the enterprises of our country adopted IFRS stage by stagy in principle on May 14, 2012. Under IFRS, companies within the group (including companies in Taiwan) to be a measure of the functional currency determined in order to identify each company’s functional currency, the financial statements to measure currency, and local billing currency is not the same. May have different currency statements of needs, the company accounting processes need to consider the preparation and conversion process at the different currencies at the same time have to consider within the group information systems is able to support different currency conversion. In this paper, the case company IFRS ERP system related settings to adjust presentation and analysis explore the functional currency and billing currency is not the same deree of influrnce of the ERP system output statements.