Fuente: Wipo "BigData" The invention discloses a heterogeneous data source-oriented metadata management system and method, and belongs to the technical field of big data. In the system, a user selects an adapter, configures versions and connection parameters of collected tools or products, and manages and maintains data source configuration information; managing a metadata acquisition task by using a workflow engine, configuring an automatic workflow, and supporting parameter configuration of the acquisition task; a plurality of collection programs are adopted to concurrently execute collection tasks, a plurality of collection modes and different types of data sources are supported, and for template collection, an Excel file format is used, and metadata is maintained and imported; organizing the collected metadata into a structure conforming to a public storage model, and storing the structure in a relational database; carrying out query by using a TF-IDF algorithm; a data flow diagram is constructed, a data source is traced forwards, and a data flow direction is traced backwards; and environment consistency inspection is carried out, metadata life cycle management is supported, and change query and subscription functions are provided.