Semiotics is cultural histories of the concentrated essence, vernacular architecture is an im-portant parts of Chinese traditional architecture its symbols pass its ideological content and culturalconnotation.The specific symbol which reflects the people's way of life, living environment, life cul-ture, is formed in a certain period of time and region.By using the western theory of semiotics, Nan-thong Tin pa hall form and its connotation are studied from the local construction of the status quo andthe two analyses are combined organically.The results have important historical, artistic and scientificvalue for vernacular architecture, exquisite cultural value excavation, reveal and show.The resultsindicate that semiotics has practical signification for protection and excavation native architecture cul-ture and could provide some enlightenment for the architect.