本文通过分类和对比，对中国内地的ＩＤＣ运营商进行了较详细的分析，指出随着市场的发展和细化，运营商将向垂直或平行方向发展。联盟将会是市场发展的必然结果，如何提供更多样化的服务留住客户群，也是运营商面临的挑战。另外，随着市场开放，中国的运营商还要面临来自国外大型ＩＤＣ公司和其它公司的竞争。 This article classifies and compares IDC operators in mainland China in more detail, pointing out that as the market develops and is refined, operators will move vertically or in parallel. Alliance will be the inevitable result of market development, how to provide a more diverse service to retain customer base, but also operators face the challenge. In addition, as the market opens, operators in China will also face competition from large IDC companies abroad and other companies.