The embodiment of the present invention relates to a cloud technology-based Internet of Things test system, characterized in that the test system includes a test bench program, a management bench program, and a cloud server; the test bench program includes a test bench management module and a test bench script test module , test bench data verification module, test bench simulation equipment module and test bench data monitoring module; management console program includes management console management module and management console configuration server module; cloud server includes management service module, file service module, Internet of Things business simulation The server module and the virtual management module, wherein the file service module includes a personnel information library, a UICC test script file library, a UICC configuration file library and an Internet of Things terminal simulation program library, and the Internet of Things business simulation server module includes a plurality of Internet of Things business simulation servers, The virtual management module includes a virtual server management unit, a virtual storage management unit, and a virtual network management unit.