The test data analysis revealed: the furfuran content have a very good correlation with polymerization degree of insulation paper, and a correlation model between furfuran content and DP was founded by regression analysis. 本文试验数据逐步分析结果表明:油中糠醛含量对数值与绝缘聚合度相关性最好,与现场实际分析结果一致;通过回归分析建立了绝缘聚合度与糠醛含量对数值的关系模型。