Peer-to-peer network flow traction system and method

The invention relates to a P2P (peer-to-peer) flow traction system relating to a peer-to-peer network. In the invention, a data packet which is successfully matched is sent to a Tracker server through carrying out Tracker characteristic code matching and P2P characteristic code matching on an acquired data packet; a seed list data packet between Peer and Tracker is analyzed to extract seed information; and the seed information is compared with address information stored in an IP address base, the seed information is deleted from the data packet if the address information is a metropolitan area network external address, otherwise, the seed information is reserved, thus the aim of traction of P2P flow is achieved. The invention can effectively control the flow generated by the traditional P2P type download software including BT, EasyMule and Thunder and can be widely applied to the fields of internet flow traction, internet flow control and the like.