Network authentication charging method

The invention discloses a method for network certification charging. The method sets several certification charging server with the different IP address and the same other settings at first, it uses certification charging configuration top as unit in network access device, carries on configuration to the servers, thus, when network access device sends certification charging report to the certification charging server, and when the server doesn't meet the conditions, it selects the next server; by using the project, it can enhance the reliability of certification charging information, protects the benefit of user and business trader.