The goal of this research is to study the achievement means for Independence of Telecommunications Regulatory Agencies for the advanced nations, including United States, Great Britain, French, Australia, Japan, etc., and explain the purpose of Independence. The frames of organization types and levels, structures and functions, personnel arrangement, expenditure resource, as well as the independence interest factors were discussed. A conclusion of synthetic comparison of Independence can be used for the design of our national Telecommunications Regulatory Agency in the future. It is hope that the establishment of Telecommunications Regulatory Agency can be low-cost, more-stabile, high-efficiency, and maintain fair competition in the market, fulfill universal service, implement request of public interest, and build a new digital era.