Data exchange platform and data exchange system

The invention discloses a data exchange platform and a data exchange system. The platform comprises the following steps: acquiring source data; configuring a rule, quoting a plurality of sub-rules, and forming an E-format label and data corresponding to the rule according to data obtained by all the sub-rules of one rule; a plurality of rules are cited, one rule corresponds to one E-format label and data, and the multi-label data is built into an E-format file or an E-format data stream; and publishing the E-format file or the E-format data stream to a target end. The data exchange mechanism of the data exchange platform provided by the invention is high in universality and flexibility, and is very convenient to use and maintain.