The present application relates to the technical field of big data, and discloses a data-based blood relationship analysis method, apparatus, and device and a computer-readable storage medium, used to meet the data-based blood relationship analysis requirements of different types of databases during production practices. The method comprises: acquiring an input table and an output table of structured query language (SQL) statements currently being executed on a big data platform, and a blood relationship between the input table and the output table; converting each of the input table and the output table into an entity object in a system having a pre-configured type, and storing the entity objects in a pre-configured graph database; constructing a blood relationship graph between the entity objects in the graph database according to the blood relationship; receiving a mapping relationship between a service source table and a big data table sent by a data access platform; determining, in the blood relationship graph and according to the mapping relationship, a target entity object node to which an ancestor node is to be added; and adding the corresponding ancestor node to the target entity object node so as to acquire a target blood relationship graph.
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