A method and system are provided for automatic wireless connection to a digital device in a portable terminal, wherein information about the portable terminal is acquired. The information about the portable terminal is commonly used for automatic wireless connection to the digital device. A state of a Wireless Local Area Network (WLAN) is checked and activated, and the WLAN is set to an Ad-hoc mode. A Service Set Identifier (SSID) of the WLAN is set using the acquired portable terminal information, a security key of the WLAN is set using the acquired portable terminal information, and an Internet Protocol (IP) address of the WLAN is automatically set using the acquired portable terminal information.