This paper takes the multiplayer online game Fallout 76 as an example to analyze its innovation and limitations in environmental narrative design.The re-search results show that the environmental narrative design in multiplayer online games has a double-edged sword effect,which can not only create an immersive experience for players,but may also lead to insufficient player partic-ipation and poor story communication.Based on this,this paper explores the evolution of Fallout 76 and the way to adjust its environmental narrative design,aiming to pro-vide a new theoretical perspective and practice enlighten-ment for the environmental narrative design of multiplayer online game.