Abstract:The Guanzhai architecture is a regional architectural form and historical heritage formed under the influence of the Tusi system,which constitutes the most representative architectural landscape and cultural visual impression of the Tibetan region of Sichuan due to its outstanding construction skills,rich ethnic cultural connotation,unique spatial and volumetric structure. This paper takes the typical Luhua Guanzhai as an example,and through in situ research to clarify the historical development of Luhua Guanzhai,and combined with field materials,historical documents,historical images and other materials to verify each other,analyzes the main characteristics of the Guanzhai architecture in terms of choosing the site,spatial layout,material structure and decorative details,with a view to providing an effective reference for the preservation and inheritance of the Guanzhai architectural heritage in the Gyarong Tibetan area.