Data exchange method, equipment and medium

The invention discloses a data exchange method and device and a medium, and the method comprises the steps: calling a pre-bound first access interface at regular time through a regular exchange task deployed by a low-code platform; pulling first base layer data of the community through the first access interface, and outputting the first base layer data to a community platform database; the first base layer data comprises basic information related to the user; in a community platform database, determining whether the community has missing second base layer data or not; the second base layer data comprises official organization registration information related to the user; if yes, searching a community platform database, and determining a unique identity identifier corresponding to each user in the community; determining a second access interface to be called according to the second base layer data type; and according to the unique identity identifier, pulling the second base layer data through the second acce