With the renaming of the American technology company Facebook to Meta，metaverse became a very hot technology term at the end of 2021.This paper introduces the origin of metaverse，the definition of metaverse，and explains the inevitability and necessity of the industry’s development in this historical stage.On this basis，by sorting out the current development status of metaverse in policy，technology and economy at home and abroad，and analyzing the impact and changes brought by metaverse to people’s production and life in social way，consumption way，learning way and production way，etc.，and also analyzing the future development trend of metaverse.