The new generation of Internet products called "Metaverse", which integrates a number of cutting-edge technological achievements in recent years. Metaverse is considered to be the " ultimate form of the Internet". It can create a parallel space similar to a simulated dream and expand gamers' "Second Life". In this virtual world, people can do anything they can do in the real world, which will further break the boundary between the Internet and reality. Natural person can connect the real world with the metaverse by using the identity of Metahuman, so as to realize the life experience with high sensory stimulation. But Second Life is too realistic. It essentially forms a landscape world that is close to a dream. It has the potential to immerse the player in a dream, turning the player into a "dreamer" who is stuck in a virtual space and doesn't want to wake up, severely impacting or even destroying first Life. According to Guy Debord’s theory of spectacle society, capitalism developed from commodity production to image production, and controlled society through the creation of a spectacle world. And the arrival of the Metaverse means that a higher stage of digital capitalism has further deepened its grip on society. The Society of Spectacle with strong capital logic, easy to turn users into "entertainment to death" ordinary people. The Metaverse transcends the general landscape and is a further manipulation of human nature. How to defend human subjectivity in the contemporary era of rapid development of Metaverse technology will become the key to the current scientific and technological ethics reflection.