Using the methods of summation by giving a mark and main component analysis , the result indicates that the methods of main component analysis is identical better with reality than the methods of summation by giving a mark , the differentiation trend of types of site conditions of cornus officinalis chiefly receives the accuse in soil fertility factor and the general configuration of the earth ' s surface factor 結(jié)果表明:主分量分析法與打分求和法相比,以主分量分析法劃分的類型與實際吻合更好;山茱萸立地條件類型的分化趨勢主要受控于土壤肥力因子和地貌因子。