Business data processing method and device, electronic equipment and storage medium

The invention relates to a business data processing method and device, electronic equipment and a storage medium, and the method comprises the steps: responding to a storage instruction for new business data, and storing the new business data into a first database; deleting the target business data in the first database under the condition that the data volume of the first database after the new business data is added exceeds a data volume threshold value; the storage time of the target business data is earlier than that of other business data in the first database, and the other business data are data except the target business data in the first database; and when the new business data triggers a preset synchronization condition, synchronizing the new business data in the first database to the second database. According to the method, hierarchical management of the business data can be realized, the utilization rate of database resources is improved, data maintenance is facilitated through hierarchical manag