In order to establish a highly efficient chestnut nutrition quality evaluation method and provide the basis for screening of Chinese chestnut excellent germplasm resources,the method of factor analysis combined with membership function was adopted in this paper.16 chestnut resources were set as the research object in different regions,which were introduced and grafted to Qianxi Hebei. Determination and analysis of the 12 main nutritional quality indicators was measured to explore the main factors affecting ...