Disclosed is a virtual-space providing apparatus, which is connected to a user terminal via a network, and which provides the user terminal with various kinds of services through a three-dimensional virtual space created in the network, the virtual-space providing apparatus includes a virtual room providing server for imitating a real room of a user using the user terminal, and for providing the virtual room, which can be browsed using the user terminal connected via the network, on the three-dimensional virtual space; virtual store providing server for providing the user terminal connected via the network with the virtual store, the virtual store selling virtual commodities imitating real commodities, on the three-dimensional virtual space; and a benefit-information transmitting medium, wherein, when the user purchases a virtual commodity in the virtual store provided by the virtual store providing server using the user terminal, benefit information showing benefit of purchasing the virtual commodity is transmitted to the user terminal.