The invention relates to the field of big data information query, in particular to a user-defined report generation method and device, equipment and a storage medium. The method comprises the steps that basic configuration information of a report to be generated is obtained, report options are created based on the basic configuration information, and the basic configuration information comprises a report name and a data obtaining mode; obtaining query information of a to-be-generated report, and adding the query information to the report options based on the query information; in response to the report name triggered by the user, sending a report query request based on the data acquisition mode and the query condition in the report option; and taking a query result returned by the report query request as the content of the report to be generated so as to generate the report. According to the scheme, the user-defined report is generated according to customer needs, the report is not limited to a specific type any more, report types and generation modes are enriched, and good universality is achieved.