credit card business e subordinate to the development mercial Banks priority. At the same time, the expansion of the credit card business risk also gradually. In mercial bank credit card business is a double-edged sword, in the profits of also contain great risk, might cause the bank liquidity crisis and spread to the industry's crisis. If not eliminate hidden dangers and early development of credit risk will transform into mercial Banks of non-performing assets. How to draw lessons from the essful experience of foreign Banks, and effectively prevent and dissolve the credit risk and reduce credit risk to the bank, the loss is discussed in this paper. This discussion of how to protect and credit risk. And some of the ideas.РKEY WORDS: credit card;risk;preventРTYPE OF THESIS:theory research