An electronic apparatus and a method for expanding a storage capacity of the electronic apparatus are provided. In the method, at least one storage equipment on a network is searched and logged in by using a network interface. A virtual disk is established and a volume of at least one disk in each storage equipment is attached to the virtual disk as a physical volume of the electronic apparatus. The physical volume is transformed into a logical volume and a file system of the logical volume is established for providing the electronic device to access the logical volume.