因應全球化時代之來臨，為提升會計資訊的透明度及跨國間之可比較性，國際財務報導準則(IFRS)已然成為全球資本市場共通的會計語言。我國為提升企業與資本市場國際競爭力及降低企業赴海外籌資成本，將自2013年起分階段直接採用（Adoption）IFRS。 針對無活絡市場公開報價之權益商品公允價值衡量議題，本研究目的擬以投資者的立場，透過IFRS與我國現行財務會計準則間之主要會計原則差異，探討對自由現金流量折現法評價模型及評價步驟之影響，以提供未來投資者於應用自由現金流量折現法進行企業評價時之參考。 本研究顯示在IFRS與我國現行財務會計準則並存適用下，不論於進行同公司跨期間或不同公司同期間之分析比較時，需先辨識重大會計差異所帶來之潛在影響，並掌握因衡量方法的改變、IFRS 1各項豁免選擇、抑或表達上的重分類等，對財務報表資訊內涵所產生之影響，進而衡酌對自由現金流量評價模式的參數設定調整，以及可能改變對未來現金流量金額、時點及不確定性之預期，如此，方能獲致IFRS所帶來之提升財務資訊可比較性及高透明度等效益。 / With economic globalization, International Financial Reporting Standards(IFRS) is becoming the single set of globally accepted accounting principles to increase the transparency and comparative of financial statements. In keeping with international trends and to increase competitiveness, companies as the 1st phase in Taiwan will adopt IFRS in 2013. In this study, from the investor point of view, discussed the major differences between IFRS and ROC GAAP, which impact on the discounted free cash flow model and the evaluation steps. To provide the reference for investors when evaluating the company with the discounted free cash flow model. This study shows that under IFRS and ROC GAAP coexist, it must recognize the potential impact of the significant accounting differences firstly whether in the analysis of the inter-period of the same company or different companies during the same period. Due to control the impact of the information content of financial statements from the change of measurement、how to use exemptions provided by IFRS1 or expression on the re-classification, in consideration of adjusting the parameters of the discounted free cash flow model, and may change the expected amount of future cash flows , point and uncertainties. And then, we will attain the benefit such as enhance comparative and transparency of financial information from adopting IFRS.