The invention discloses an interface configuration adjusting method which comprises the following steps: monitoring a task borne by a network card interface of electronic equipment, determining a network bandwidth matched with the network card interface of the electronic equipment, and connecting the network card interface of the electronic equipment with the network equipment through an interfaceconfiguration adjusting device; And on the basis of the determined network bandwidth matched with the network card interface of the electronic equipment, configuration of the network card interfaceof the electronic equipment is adjusted, so that the number of available interfaces of the network card of the electronic equipment is adjusted. The invention further discloses an interface configuration adjusting device and electronic equipment.