Normal merchants: Generally, the card processing fee is 0.6%. Credit card 10000 yuan is charged in 60 yuan, and savings card 100000 yuan is charged in 600 yuan, and 20 yuan charges 0.5%. Even if you swipe your card100000, it will be charged according to 20 yuan.

In addition, there are many card taboos when using pos machines to swipe cards. First of all, we must ensure the number of swipes. For banks, enterprises also need to make money.