Information security problem traceability management method based on block chain

The invention discloses an information security problem traceability management method based on a block chain, and the method comprises the steps: building a data asset storage layer which employs a distributed storage system, and generates data asset metadata and metadata blocks based on a block chain technology; the data asset metadata block records the information of each user of each data asset, uniformly records and manages the occupational development resume of each data asset user of an enterprise related to the data assets, and records the permission and the use record of the data assets in each stage of occupational development; correlating the occupational development resume with the permission and the use record used by the data assets in each stage by adopting a matrix algorithm so as to realize a query function; the query comprises the steps of obtaining related data security data and security events according to a personal resume, and obtaining related personal information of related data resour