This study explores whether credit card issuance volume and NPL coverage ratio would affect overdue accounts ratio by employing the data over the period 2016-2020 disclosed by Financial Supervisory Commission as the samples, and then reveal the following importing findings. First, the firms with high credit card issuance volume would have lower overdue accounts ratio, indicating that good risk management could effectively reduce risks. Second, the firms with high NPL coverage ratio would lower overdue accounts ratio. Third, this study reveals that manager shareholding ratio is positively related to overdue accounts ratio, which might result from that some manager with higher shareholding ratio might face high-risk businesses with a more positive attitude.