An Internet media broadcast system, method therefor and recording medium for executing the same are provided. The Internet media broadcast system includes a server unit, a client unit, and a media dongle. The server unit includes an Internet radio station database and an advertising database respectively with built-in accessible Internet station information and commercial advertisement information. To listen to online broadcast, user plugs the media dongle into the transmission interface of the client unit to enable the automatic execution of the Internet broadcasting software program in the dongle to obtain accessible Internet radio station information and commercial advertisement information via networking and link up to an Internet radio station to listen to the broadcast and the latest sales promotion or information on new products.