Fecha de publicación: 17/10/2017 Fuente: Wipo "BigData" The invention discloses a data management method and device for big data. The method comprises the following steps that: defining metadata; importing the metadata; managing and analyzing the metadata to obtain an analysis result; and at least according to the analysis result, obtaining a metadata atlas. By use of the method, the technical problem in the prior art that no effective data management method for the big data is in the presence is solved.