Method and system for providing nui

PURPOSE: An NUI(Network-based User Interface) providing method and a system thereof are provided to connect a device and a UI(User Interface) for the device connected to a network, thereby facilitating remote control and a state grasp for a desired device by using a user terminal. CONSTITUTION: One of devices connected to a network is selected(S230). A UI for a selected device is obtained through the network. The device is connected through the obtained UI(S260). An application which provides the UI for the selected device is obtained through the network. A browser page which provides the UI is obtained through the network. A device search is requested and a device list for the device search is received. [Reference numerals] (110) NUI server/cloud; (130) IoT device; (160) User terminal; (S210) IoT device search request; (S220) IoT device list; (S230) IoT device selection; (S240) IoT device UI App/web page request; (S250) IoT device UI App/web page; (S260) Connection by the UI App/web page