Comprehensive inventory of enterprise data across all dimensions, including customers, orders, warehousing, finance, and human resources. This involves standardizing data formats, establishing standardized data classification labels, eliminating invalid and redundant data, and building a basic data asset ledger. The process of data collection, storage, and retrieval is streamlined, and a corresponding data security hierarchical access control scheme is implemented. This allows scattered data to be statistically analyzed, providing data support for business decisions and is suitable for various enterprises with accumulated data.