According to the existence state of iron and sulfur ions in green glass at the reduction atmosphere the cause of formation of yellow cord is interpreted and some solutions to this defect is also recommended. 通过对绿色着色玻璃中铁离子和硫离子在还原气氛下的存在状态以及相互作用,分析了黄色条纹产生的原因,并提出了相应的解决措施。