With the development of economic and social, credit risks also grow with each passing day. According to the field of Marx's credit theory, credit risks can be divided into commercial credit risk, bank credit risk and currency credit risk. Facing such as the United States subprime mortgage crisis, the European debt crisis and China Wenzhou phe- nomenon, it is urgent for people to scan the development of economy and society, avoid credit risk. We can effectively avoid all kinds of credit risk and improve the ability to strengthen our ability to ...