As the "Internet Plus" strategy continues to advance, the flexible and controllable distributed architecture of database is gaining support. The key problem of conventional commercial banks' information architecture in the transformation process lies in the selection of a suitable distributed database. The Bank of Communications has actively constructed and built a distributed database system for financial business scenarios, starting from the actual needs of commercial banks. And the financial application practice has been in the steady and orderly promotion. LI Zhaoning, Deputy General Manager of Financial Technology Department of Bank of Communications, summarized the current situation and pointed out the focus of the future work.