An apparatus and method for providing an integrated web browsing service integrates a general web browsing function with a mobile web browsing function. Through this integration, various web content and web services are provided to the user. Also, additional equipment or interface installation for a mobile web service is not required for terminal equipment, and it is possible to recover or otherwise compensate for display limitations of a mobile terminal. The integrated web browsing service apparatus includes terminal equipment which performs Internet web browsing and mobile communication web browsing, and a mobile terminal which performs web browsing by itself or for supporting web browsing of the terminal equipment by connecting an Internet server and an mobile communication web server.