In contrast, banks that handle online credit card payments relatively well domestically include China Merchants Bank and the Industrial and Commercial Bank of China (ICBC). If card users frequently utilize the online payment function of their credit cards, it is recommended to apply for a credit card from China Merchants Bank or ICBC. Using credit cards at ATMs and self-service banks is not entirely the same as using them at bank branches, so particular attention should be paid to card security. This article provides a brief introduction to ATMs.