对搜集于川西南12个县具代表性的50个豌豆地方品种9个产量性状进行了主成份分析和聚类分析。结果表明，前四个主成份对变异的贡献率达91．7％，供试品种主成份载荷均不理想，产量性状差。50个品种被分为六类，遗传距离的大小与品种的地理分布有一定关系，但无必然联系。 Nine principal yield components of 50 pea cultivars collected from 12 counties in southwestern Sichuan were analyzed by principal component analysis and cluster analysis. The results showed that the contribution rate of the first four principal components to the variation was 91.7%, the main component load of the tested varieties was not ideal, and the yield traits were poor. 50 varieties are divided into six categories, the size of the genetic distance and the geographical distribution of varieties have a certain relationship, but not necessarily linked.