Abstract: The embodiments of the present invention provide a communication method of a network game, which includes that: a node server transforms IDs of players in a same scenario into network address indexes of clients according to network address information of the clients and adjacent node servers, the players corresponds to the clients one by one; and a client performs P2P communication with other clients except the client according to the network address indexes. The embodiments of the present invention also provide a communication system of a network game and a method for implementing a network game. By using the embodiments of the present invention, communication efficiency and user experience are improved.