The invention relates to the technical field of customizing a plurality of main data management modules, data extraction and pushing, data conversion, data isolation and aggregation, data blood relationship and task scheduling, in particular to a data management platform supporting high customization, which comprises a main entity, a sub-entity, a behavior sub-entity and a service entity, wherein the main entity comprises a main entity A, a main entity B and a main entity C, the service entity provides data for the main entity A and the sub-entity respectively, an affiliated relationship is established between the main entity A and the sub-entity and between the main entity A and the behavior sub-entity respectively, and an associated relationship is established between the main entity A and the main entity C. According to the data management platform supporting high customization, through data isolated storage, the service requirements are met, the data security is improved, multiple modes of data source connection are expanded, and through data cleaning, the data quality is improved, so that the accuracy is improved, the enterprise expenditure is greatly saved, convenience and rapidness are achieved, and the human efficiency is improved.