The credit ability of American finance capital empire is based on technological monopoly, commercial organization monopoly, monetary operation monopoly, real estate and key resources monopoly, military hegemony monopoly and so on. The forms of credit it uses include commercial credit, lending capital credit, virtual capital issuing credit, national public credit, world monetary credit etc. The extensive credit owned by the American finance capital empire has provided unprecedented convenience for capital mobilization, crisis regulation and contradiction transfer in the United States. In the operation of the American finance capital empire, the use and abuse of credit became the method of depriving working class and other countries, of strengthening parasitic accumulation of American finance capital empire, of covering up, expanding and deepening crisis, which, in turn, caused the corrosion of the credit capacity of the American finance capital empire. Under the impact of the crisis, the American finance capital empire increasingly relies on political risk, military blackmail and populist demoralization to maintain its credit, which will inevitably bring the empire into a deeper credit crisis. The American finance capital empire has been in the vicious circle of credit abuse and credit crisis.