纳米硫酸钡作为一种新型的无机材料，因其具有高比表面积、高活性、分散性好等优点而被广泛应用于众多领域。首先，概述了络合沉淀法、微乳液法、微反应器法等3种制备方法，并对其制备机理和优缺点做了分析。重点综述了纳米硫酸钡在表面改性方面的研究进展，及其在涂料、塑料、造纸、化纤等领域的应用进展，还阐述了纳米硫酸钡改性的作用机理。最后，提出纳米硫酸钡在生产过程中还需解决生产成本、能源消耗和污染等问题，同时指出引进新的技术手段到各种工艺中，发展综合化的工艺技术是今后研究纳米硫酸钡的一个重要方向。

As a new type of inorganic material，nanosized barium sulfate has been widely used in many fields because of its high specific surface area，high activity and good dispersion etc..Firstly，three preparation methods，including complex precicipitation method，microemulsion method and microreactor method，were summarized，and their preparation mechanism，advantages and disadvantages were analyzed.The research progress in surface modification of nanosized barium sulfate and its application in coatings，plastics，paper making，chemical fibers and other fields were summarized emphatically.The mecha nism of nanosized barium sulfate modification was also described.Finally，it was pointed out that the production cost，energy consumption and pollution should be solved in the production process of nanosized barium sulfate.At the same time，new technical means should be introduced into various processes.The development of integrated technology is an important direction for the future research of nanosized barium sulfate.