A method for selecting an edge application server, where the method is performed by a domain name resolution server network element, and includes: obtaining load state information of a plurality of edge application servers; when Domain Name System (DNS) request information is received from a terminal device, determining a first edge application server of the terminal device based on the load state information of the edge application servers, where the edge application servers include the first edge application server; and sending DNS response information to the terminal device, where the DNS response information includes identification information of the first edge application server. Therefore, the domain name resolution server network element determines an appropriate edge application server for the terminal device based on the load state information and network addresses of the edge application servers.