Abstract: Davidia involucrata,the first grade rare and endangered plant at the national level,has highly oranamental value,and is well-known at home and abroad with important scientific value and application value.Throngh field investigations of Davidia involucrata in part of southwest China and searching for pictures of Davidia involucrata in Internet,the ornamental characteristics of Davidia involucrata were discussed from aspects of volume,shape,color and texture.In this paper,analysis was detailedly made of the ralated characteristics of Davidia involucrata in a statistical way,as a result,the horizontal growth of crown increased significantlyalong with the increase of height in landscape gardens and obviously vertical growth in natural habits.In addition,its crown was mostly cone-shaped,with characteristics such as elegant tree-shape,lower branch point,unique color,a bit rough texture.Also,the garden application forms were discussed according the analysis above,which was expected to be helpful for the application of garden and species protection.