Fuente: Wipo "IOT" An integrated development cloud server for providing a cloud-based integrated development environment for developing ultra-micro IoT device software supporting interworking with an Internet of Things (IoT) service infrastructure comprises: an IoT service infrastructure information management unit for providing IoT service infrastructure information; an IoT device information management unit for providing operating system information and library information; a selection unit for receiving an input of selecting an operating system on the basis of the operating system, and receiving an input of selecting multiple libraries on the basis of the library information; a programming unit which provides multiple development blocks on the basis of the IoT service infrastructure information, the selected operating system, and the selected multiple libraries, receives an input of selecting at least one of the multiple development blocks, and performs programming by combining the at least one of the selected multiple development blocks; and an IoT service profile generation unit for generating an IoT service profile on the basis of the programming.