The invention provides a system and a method for a network administrator to automatically configure a connection of a single board. The system includes a service single board selector and a single board connection configurator at the network administrator. The service single board selector is used for selection of single boards needed for respective services, and attributes of the services; and the single board connection configurator is used for calculation and completion of the connections of every single board according to the selected single boards and the attributes of respective services. The method includes that: firstly, the single boards needed for respective services and the attributes of the services are selected; and then the connection of every single board is calculated and completed according to the selected single boards and the attributes of respective services. By applying the technical proposal of the invention, the network administrator can calculate the relevant connections and services of every single boards according to the selection by a user as to the single boards needed for the services and a plurality of the essential attributes of respective services, thus improving the convenience for the network administrator and the availability as well as the fault tolerance of management of the network administrator are improved.