The word "border" in Shen Congwen's "Border Town" has profound and multi-layered meanings. "Edge" could be understood as "boundary","border" or "edge" in the text. The area described by this word was Shen Congwen's hometown. This area was located in southern China, a place with beautiful scenery and rich culture. The natural environment and human history of this place had obvious boundaries and differences with the surrounding areas, so "edge" had a special meaning here. "Edge" could also be understood as "fringe culture" or "fringe culture". In " Border Town," Shen Congwen described a border culture that radiated many small villages with a small town as the center. This culture was different from the Central Plains culture. It emphasized the protection of the natural environment, respect for local customs, love of life and other values. Therefore,"edge" could also be understood as a symbol of a fringe culture. "Edge" could also be understood as "distance" or "estrangement". In Border Town, the distance between small towns and the outside world was very obvious, and the connection between people and the outside world was very weak. This sense of distance and estrangement caused the contradictions and conflicts between the border residents and the outside world, and also reflected the history and reality of the border society. Therefore,"edge" could also be understood as a symbol of distance and estrangement. In summary, Shen Congwen used the word "edge" in "Border Town" to reflect the natural environment and cultural characteristics of his hometown, and also to symbolize the concept of edge culture, distance and estrangement, which had a strong symbolic meaning.