Abstract: With increasing drastically of Internet traffics and new application, only TCP protocol cannot be competent for all tasks of congestion control. This is review paper on recent word about congestion control of Internet. The reason of congestion of Internet is analyzed, then several methods of network congestion control are presented, they include congestion control strategies for routers and congestion control methods for multimedia real-time streams and multicast streams. Particularly, a reasonable category about multicast congestion control mechanism is presented, with analyzing of their advantage and shortcoming. At last we make conclusion that multiform strategies must be used for congestion control of network.