"An ID" literally means "a logo", which was originally put forward by Ali in the data center. As long as the big data platform can collect data from various fields, it can standardize, standardize and aggregate data from multiple data sources, complete the identification and data connection of business objects such as customers, channels and products through oneID system, solve data islands, establish the association network relationship of all OneID objects, and form an enterprise-level association system; Based on tags, network relationships and knowledge maps, comprehensive portraits of oneID objects are made, and oneID portrait tags are generated to help upper application scenarios and form enterprise-level operation views and activities.