膨润土作为球团工艺中首要的粘结剂，具有优异的性能，在农业、化工业等许多领域都得到了很好的开发和利用。本文介绍了膨润土的基本理化性质和在铁矿球团中的作用机理，以及前人关于铁矿球团膨润土的研究进展，并对其进行总结，分析铁矿球团膨润土的发展方向。 As the most important binder in pelletizing process, bentonite has been well developed and utilized in many fields such as agriculture, chemical industry, etc. because of its excellent performance. This article introduces the basic physical and chemical properties of bentonite and its mechanism in iron ore pellet, as well as the previous research progress, and summarizes it in order to analyze the development direction of iron ore pellet bentonite.