Disclosed is a method for querying a service request execution state, the method satisfying different time limit requirements for obtaining an execution state of different services having an unclear state. The method comprises: obtaining an identifier code and service characteristic of the service having an unclear state; and querying, according to the service characteristic and by utilizing the identifier code, the execution state of the service having an unclear state. Also disclosed in the present application are a device and system for querying the service request execution state.