Theinheritance and development of collective memory progresses through three stages:the internalization of individual memory,the transformation into family memory based on relational bonds,and ultimately the formation of collective memory.Responding to societal changes and the evolving times,mainstream media constructs collective memory by emphasizing new eras and ideas through a dual approach of accumulation and interpenetration.This involves tracking,revisiting,and interpreting past reports or figures.Additionally,it examines the role of mainstream discourse by utilizing"old news"archives and"new articles"to shape identity and build social consensus.