In view of the problems existing in the supervision of cross-border trade revenue and expenditure in bonded supervision areas, this paper probes into the idea of integrating and utilizing the existing foreign exchange supervision data information to build an off-site supervision system of cross-border trade revenue and expenditure in bonded supervision areas, and puts forward some countermeasures and suggestions to improve the off-site supervision effect of cross-border trade revenue and expenditure in bonded supervision areas.