Financial institutions urgently need to use data resources to improve operational efficiency,carry out cross-industry,cross-institutional and other multi-party data fusion,and the emergence of privacy computing provides the possibility for financial institutions to develop collaboratively under the premise of ensuring data security.The application of privacy computing will greatly improve the efficiency of banks in risk management and marketing promotion.Privacy computing should build an open financial ecosystem in financial scenarios,attach importance to institutional innovation,provide a secure environment for data applications,and improve the quality and efficiency of data use.It should unleash the full potential of data by balancing data protection and data applications.