「證券投資人及期貨交易人保護法」於2002年通過，台灣證交所更於2002年十月四日制定「上市上櫃公司治理實務守則」，在在都著眼於使我國對公司治理議題能與國際同步。
　　
　　「資訊揭露」是公司治理原則中極為重要的一環。由於國內已於民國九十二年開始實施上市櫃公司資訊揭露評鑑，另一方面，財政部證券暨期貨管理委員會已於 91年起推動「上市（櫃）公司獨立董事、獨立監察人制度」，提昇國內公司治理。
　　本研究對下列公司治理相關議題與企業資訊自願性揭露之關係，加以分析並提出實證資料：
一，獨立董監事佔董事會人數比例與自願性揭露資訊品質間之關係
二，大股東持股率與自願性揭露資訊品質間之關係
三，政府持股與自願性揭露資訊品質間之關係
　　
　　研究結果發現，在台灣，獨立董監事佔總董事人數比率與揭露總分間呈顯著正相關，與預期符合。顯示獨立董監事隨著佔總董事人數比率的增加，其發揮自身專業能力監督公司的影響力亦增加；而大股東持股率與自願性揭露資訊品質間呈顯著負相關。顯示隨著大股東持股率的下降，股權結構越分散，也因此需要更多的監督；另外，政府持股率與自願性資訊揭露間並無顯著相關。

　　“Securities Investor and Futures Trader Protection Act” is passed in 2002. Besides, Taiwan stock exchange corporation establishes “Corporate Governance Best-Practice Principles for TSE/GTSM Listed Companies” in the same year. These actions help corporate issues of Taiwan synchronize with international trend.
　
　　Information disclosure is a very important part of the principles of corporate governance. The Securities and Futures Institute ( “SFI” ), entrusted by the Taiwan Stock Exchange Corporation( “TSEC” ) and the Gre Tai Securities Market ( “GTSM” ), launches “Information Transparency and Disclosure Rankings System”(ITDRS) to evaluate the level of transparency for all listed companies in Taiwan in 2003. On the other hand, Securities and Futures Commission of Ministry of Finance (R.O.C.) has advanced the adoption of independent directors and independent supervisor to promote national corporate governance.

　　This study examines the relationship between business voluntary disclosure and corporate governance issues following：
1, The relationship between business voluntary disclosure and the proportion of independent directors to total directors;2, The relationship between business voluntary disclosure and block holders’ stock holding ratio;3, The relationship between business voluntary disclosure and government stock holding ratio.
　
　　The empirical result shows that business voluntary disclosure is significantly positively related to the proportion of independent directors to total directors. Besides, business voluntary disclosure is significantly negatively related to the proportion of independent directors to total directors. However, business voluntary disclosure is not significantly related to government stock holding ratio.

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