An Internet Protocol Television (IPTV) which collects content information from content providers and a method and system for providing the IPTV with the content information are provided. The IPTV includes a connection unit which enables the IPTV to be connected to the Internet for data transmission or reception over the Internet, a content information collection unit which collects information about content created by IPTV content providers over the Internet, a content information processing unit which creates standard metadata by processing the collected content information, a storage unit which stores the standard metadata, and an output unit which displays the content information of at least one channel by using the standard metadata.