二氧化钒（VO2 ）薄膜由于具有优异的热致变色性能已成为激光防护材料领域的研究热点。本文综述了国内外VO2 薄膜的研究进展，对VO2 薄膜的主要制备方法、用于红外激光防护的原理及防护波段进行了探讨， 并总结了用VO2 薄膜实现激光防护所面临的问题。

VO2 thin films have been a research hotspot in the field of laser protection materials because of their excellent thermochromic properties. The research progress of VO2 thin films at home and abroad is overviewed. The main material preparation methods, principle of infrared laser protection and protection waveband of VO2 thin films are discussed. Finally, some challenges which will be faced in this field in the future are summarized.