In the era of interconnection of all things, the explosively growing data has become an important strategic resource,and the realization of data value and the exploration of digital ecology have become the theme of the times. The basic and industry best practices of data sharing ecological construction in power grid companies are studied. It is considered that data quality and innovation of data service products and life cycle management are important factors that restrict the realization of data business value and ecological incubation. Exploring the construction of grid marketing data sharing support platform is helpful to promote the above problems.