In Post-Pandemic period,social anxiety has become a common problem among collegians born in the 2000s,and the phenomenon of"campus loneliness"poses great challenges to mental health work.The quantity of"direct symbols"of individual-individual and subject-object interactions has decreased,and the"closed-loop effect"of collegians'self-construction has weakened.The difficulty of constructing a meaningful world that adapts to life development is increasing day by day.The dormitory is an important scene in the collegians'physical and psychological world.Based on the practical experience of the"symb...