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食盐（ＮａＣｌ）是人类生活的必需品，又是重要的工业原料。内蒙古地区盐湖众多，湖盐储量大，含盐率高。本文阐述内蒙古地区盐湖的分布概况，探索盐湖最早开采、利用的年代以及盐湖的生产方法问题。文献资料表明，内蒙古地区的盐湖早在汉武帝元狩四年即公元前１１９年前即已开采利用。内蒙古地区湖盐的矿床形态不同于其它盐矿（如海盐、井盐等），其卤水多已饱和，多数盐湖中盐已结晶析出，所以旧时采盐主要靠晒、捞、耙、搂，人工生产。
Salt (NaCl) is a necessity for human life and an important industrial raw material. Many salt lake in Inner Mongolia, lake salt reserves, high salt content. This article describes the distribution of salt lake in Inner Mongolia, and explores the earliest exploitation and utilization of Salt Lake and the problems of salt lake production. The literature shows that the Salt Lake in Inner Mongolia was exploited and utilized as early as 119 BC before the Yuan Dynasty of the Han Dynasty. The mineral deposits of lake salt in Inner Mongolia are different from other salt mines (such as sea salt and well salt). Most of their brine is saturated and most of the salt in the salt lake has been crystallized. Therefore, the old salt recovery mainly depends on drying, fishing, raking, hugging and artificial production .