纳米金属氧化物可用于石油化工和环境等领域内的有机物催化氧化过程，占据了很重要的位置。重点概括了纳米金属氧化物的制备方法以及在有机物催化氧化过程中的应用。纳米金属氧化物制备方法主要包括物理方法、化学方法和生物合成方法。生物合成方法具有无污染、操作简单等优点，逐步受到研究人员的关注。

Nano metal oxides can be used in the catalytic oxidation of organic compounds in the fields of petrochemical and environmental protection sectors,and occupy a very important position.This paper focuses on the synthesis methods of nano metal oxides and their applications in the catalytic oxidation process of organic compounds.Synthesis methods include physical method,chemical method and biosynthesis method.Biosynthesis method has attracted more attention of researchers due to its pollution-free and simple operation.