Intelligent home appliances and friendly human-machine interface design can provide a more comfortable living space for residents in smart home. However, excessive home automation sometimes may lose the sense of reality on operating home appliances. Virtual objects in smart home are not real home furnishings, and equipments, but it has the ability of actual home appliances or equipment to provide relevant home services through ubiquitous computing, virtual human-machine interface. That is, virtual objects retain the original features of appliance operation without losing high-technical and home-automation utilization on it. In this paper, we will design a virtual object being friendly human-machine interaction to control the music playback service in smart home. The virtual object is called virtual compact disc (CD) album, Virtual-CD. The residents can take a Virtual-CD, and do some operating gestures and entity movements on it, and then the music will be played, paused, and stopped according to various operations of virtual object in smart home. By the way, the resident can easily enjoy high-technical home service without losing traditional appliance operation in smart home.