Public data open utilization system and method

The invention provides a public data open utilization system and method. The system comprises a data open domain subsystem and a public data resource management subsystem which are deployed in a government affair or enterprise extranet environment; wherein the data open domain subsystem comprises a data application management and control module, a data processing module, a data product auditing module and a data product service module; the public data resource management subsystem comprises a public data warehouse; the data application management and control module is used for performing data opening approval and establishing a data opening protocol; the data processing module is used for acquiring sample data from a data warehouse to train a data processing model to obtain a data product; the data product auditing module is used for auditing the data product; and the data product service module is used for providing data product service for the external application after the data product passes auditing. Acc