Based on the basic theory of pattern language,this paper studies the spatial organization form and logical relationship of the traditional mansion-style dwellings in the Sunshui river Basin. The results show that:1) The space design language of the traditional mansion-style dwellings in the Sunshui river Basin is rich in vocabulary. Special spatial relationship makes the architectural space present the characteristics of local complexity and variability but overall consistency.2) The spatial elements inside the building are highly related, most of which are single syntax and can be divided int...