The study status on electric metachromatism and gas sensibility of nanometric WO_3 thin film is briefly described.The developing trends of nanometric film are also put forward.

• 对纳米氧化钨薄膜的电致变色、气敏特性等性质研究现状作了简要概述,提出了纳米氧化钨薄膜的发展前景。