Red building is an important cultural resource of region and state. Taking tourism innovation visual angle as the breakthrough point, this paper takes rural space as the research object, on the basis of analyzing the distribution feature, present situation and existent problems of red building in Hunan, from the angle of linkage between red building and rural space development, it elaborates the important role of red building in rural civilization construction, rural regulation, rural industry transformation and regional integration, etc., it takes former residence of Chen Geng as an example, from tapping of regional features, excavation of local characteristic space and experience of characteristic red culture, etc., it summarizes the design strategy for rural space energized by red building, so as to provide new train of thought and practice path for improving the cultural propagation efficacy of red building and promoting rural revitalization.