If you finally swipe your card at the same merchant with high frequency or large amount, it will be detected by the bank and it is suspected of cashing out! Banks will generally prompt first, and may be stopped if they don't improve. Because the CBRC has clearly defined the scope and use of credit cards, credit cards should be used for personal and retail consumption and not for production, operation and investment. Therefore, if the landlord receives relevant tips, he should pay attention to his own card use method! Mostly used by different types of merchants, diversified.