本研究以2008年至2017年合計10年台灣金融業之資料為樣本，探討金融機構信用卡發行量與該公司績效的關係，並得到以下的結果：一、金融機構發行愈多的信用卡數量對該公司的績效愈好，顯示信用卡發行量的增加有助於公司績效的提升。二、信用卡逾放比高的公司，其績效表現並不佳，表示金融機構除了提高信用卡的發行量之外，也需要對信用卡申請人還款能力予以把關。三、董監事質押比率高低對公司績效並無呈現負相關，此乃由於一些金融機構之董監事質押比雖高，但其公司績效並不遜色，此實證結果與過去相關文獻之質押比對公司並非正面的實證結果有所不同。

This study investigates whether firm performance would be affected by the issuing volume of credit card. By employing the data of Taiwanese banks over the period of 2008-2017 disclosed by Financial Supervisory Commission as the samples, we reveal several valuable findings. First, the financial institutes with high credit card issuance volume might have better firm performance, indicating that increasing credit card issuance volume would enhance firm value. Second, the firms with high overdue loan ratios in terms of credit cards would weaken firm performance, implying that the firms should evaluate the quality of credit card applicants instead of increasing the issuance volume only. Third, this study shows that directors' pledge ratio in not negatively related to firm performance, which might result from that some financial institutions with higher directors' pledge ratio still have superior performance. This finding seems somewhat different from the results releaved in the past studies.