铟是现代高新技术产业的重要支撑材料，中国的铟资源和铟生产量为全球之冠，原生铟的提取技术和水平居世界前列；论述了铟提取冶金的新工艺技术及铟产业的发展。

Indium is an important supporting material for modern hi-tech industry. The resource and output of indium in China ranks first in the world, and its extraction technology reaches the international advanced level as well. The new technology for extractive metallurgy of indium and the development of indium industry are discussed.