Querying for business service processing status information is disclosed, including: receiving a query reference message from a server, wherein the query reference message includes information associated with a set of processing nodes associated with a business service, a sequence associated with the set of processing nodes, and a set of predicted measures of time corresponding to the set of processing nodes; determining a next information query time associated with a current processing node of the set of processing nodes based at least in part on a predicted measure of time of the set of predicted measures of time corresponding to the current processing node; in response to occurrence of the next information query time, sending an information query request to the server; and receiving an information query response from the server, wherein the information query response includes a current business service processing status information associated with the business service.