当代中国城市中广泛出现的“广场歌舞”正成为学界的跨学科关注对象。本文聚焦西南民族地区的城市广场歌舞,从多民族交汇互动的角度切入,尝试探讨场域变迁对文化遗产的影响。 Widely appeared in contemporary Chinese cities “square song and dance ” is becoming the interdisciplinary concern of the academic community. This article focuses on the singing and dancing of the city square in the ethnic areas in southwest China, and from the point of interaction and interaction between different ethnic groups, tries to explore the influence of the change of the field on the cultural heritage.