本文报告在鹤壁市正常居民、食管上皮增生和食管癌患者小测定血液维生素A、B-胡萝卜、维生素B_2和还原型谷胱甘肽的水平。初步结果示癌组的血浆维生素A和B-胡萝卜素水平较正常居民和增生组为低。增生组的红细胞谷胱甘肽还原酶活化系数水平校正常及癌组为高。3组间还原型谷胱甘肽水平在统计学上无显著差异。 This article reports on the measurement of blood vitamin A, B-carrot, vitamin B2, and reduced glutathione levels in normal residents of Hebi City, esophageal epithelial hyperplasia, and esophageal cancer patients. The preliminary results showed that plasma levels of vitamin A and B-carotene in the cancer group were lower than those in normal residents and hyperplasia groups. The erythrocyte glutathione reductase activation coefficient in the hyperplasia group was normal and high in the cancer group. There was no statistically significant difference in the level of reduced glutathione between the three groups.