Knowledge economy is a familiar historic process of human society, but it is also entirely unaccustomed experience for most people. It's a direction of industry production and sustainable development for a country. The coming of knowledge economy provides many interesting study topics for industry geography, such as the new distribution and relocation of industry, the new production organization of industry, the relationship between international trade organization and industry production and the sustainable management and development etc. All these topics need to have critical discussions and be theorized.