This paper discusses the process of changes in brine composition of Yuncheng Saline Lade and possible cause.Advice is made on balanced exploitation of Yuncheng Saline Lake.

• 介绍了运城盐湖卤水组成的变迁过程以及产生这些变迁的原因，并对运城盐湖的平衡开采提出了建议。