Abstract: After the Internet Assigned Numbers Authority (IANA) function stewardship was handed over to Internet Corporation For Assigned Names and Numbers (ICANN), the global domain name management system has developed steadily, and tended to be moretransparent and accountable under the promotion ofcommunity oversight mechanisms, but still face many challenges. and the domain name management policies have focused on enhancing security and trust to create a healthy and sustainable development environment.Global domain name market is beginning to pick up, and emerging economies
continue to play an important driving role in the development of the global market.This article mainly introduces global Internet domain name management system and policy progress, as well as the status quo and characteristics of the developmentof the market.

Key words: domainname, ICANN, root zone, top Level domains, gTLD, newgTLD