In this study,with nonheading Chinese cabbage (Brassica campestris ssp.chinensis Makino.) variety ‘Gaogengbai’ as material,seed vigor indexes and correlation of different aging degrees were studied during artificial aging treatment at 42℃ and RH 100%.The results as followed:(1)The seed germination indexes (except abnormal seedling rate) and emergence indexes significantly decreased with the increase of aging degree and abnormal seedling increased significantly.(2)With the increase of aging degree,the activities of superoxide dismutase (SOD),peroxidase (POD) and catalase (CAT) decreased significantly;The speed of O^-·₂ production firstly went up and then slowed down.The hydrogen peroxide (H₂O₂) content kept increasing,the content of malondialdehyde (MDA) decreased and the relative electrolyte leakage increased;Soluble sugar content,soluble protein content and dehydrogenase activity kept decreasing and αamylase activity firstly went up and then down.(3)The germination energy,germination rate,SOD activity,H₂O₂ content,the relative electric conductivity and soluble sugar content of aging seed had very significant correlation with emergence indexes.Comprehensive analysis showed that the changes of germination energy,germination rate,SOD activity,H₂O₂ content,the relative electric conductivity and soluble sugar content were consistent with aging degree deepen,and they showed very significant correlation with emergence indexes.Therefore,they can serve as candidate indicators for nonheading Chinese cabbage seed vigor test.