What this paper described above has been put into practice in project implementation. There are totally more than 4,000 test cases in this project, which involve all APIs and services related to interoperation, and 33 bugs have been found which may affect the software interoperation in some degree. In future works, we will research the automatic generation of test sequence and test data based on target and standard of interoperability testing further. Meanwhile, it will be meaningful to introduce the test method proposed in this paper into a wider field of interoperability testing, such as interoperability testing among a group of operating systems, interoperability testing for different type of software, and so on.