Investigation and Study of the Linguistic Landscape along the China-Vietnam Border based on Place Semiotics

With the accelerated advancement of Yunnan Province's construction as a radiation center towards South Asia and Southeast Asia, the language landscape along the China-Vietnam border has presented a rich and diverse characteristic. This study takes 393 signs in the sampling area of Hekou Yao Autonomous County, Yunnan Province as the research object and conducts statistical analysis on the samples using the theory of place semiotics. The research finds that multiple language codes such as Chinese, English, French and Vietnamese exist in the language landscape of the sampling area, with Chinese being the dominant code. The language landscape in the sampling area shows a trend of monotonization in the mode of character engraving and is significantly characterized by scene placement. The language landscape in the commercial area has a "chunk effect", while that in the administrative area highlights authority. Additionally, this study discusses the construction, setting and optimization of the language landscape in border areas from the perspectives of language contact, language attitude and language economics.