Business data processing method and business data processing device

The invention provides a business data processing method and a business data processing device which can save the system resource, reduce the pressure on the business database, and improve the efficiency of returning the business data to an upstream system. The business data processing method comprises the following steps in sequence: implementing a business command released by the upstream system through a business system so as to obtain the business data, correspondingly storing a postback identification and a business identification of the business data in the business database into a task table, wherein the postback identification is used for identifying whether the business data is posted back to the upstream system; traversing the task table; searching the business data corresponding to the business identification which is corresponding to the postback identification which identifies that the business data is not posted back to the upstream system, from the business database during traversing according