Provided are a home network device service and/or Internet service method and apparatus in a home network with a web-based open architecture, the method comprising: receiving script based software for controlling the service from a server using a controller in a home network; reproducing a user interface screen for controlling the service by parsing the script based software using the controller; and controlling the home network device control service and/or the Internet service using the controller according to the selected service when a service is selected based on the UI screen. Accordingly, a home network which can be expanded easily can be obtained.