Network authentication method and device and computer storage medium

The invention discloses a network authentication method and device and a computer storage medium. The network authentication method comprises: receiving, by a proxy server, an authentication request sent by a terminal, wherein the authentication request comprises identification information of a domain server to be accessed, a domain account to be authenticated and a password; determining a domainserver matched with the identification information based on the identification information; sending the authentication request to a domain server matched with the identification information through anetwork strategy server, so that the domain server authenticates the domain account and the password; and receiving an authentication result forwarded by the domain server through the network policy server, and feeding back the authentication result to the terminal. By means of the mode, on the premise that network safety is guaranteed, access of the terminal to the corresponding local area network is not limited by region