This study summarizes the long-term and short-term market entry barriers of China’s basic telecommunications from the perspective of FDI supply and demand enterprises，which aims to provide decision-making basis for decision-making departments and market participants. Multi-case analysis is applied to ensure the objectivity of the quantifying process. Results indicate that the market opening of China’s basic telecommunications has entered the era of 2.0. Against the background of serious bottlenecks in the development of mobile resale enterprises，the introduction of foreign investors is conducive to the capital supplement，product differentiation，internationalization of enterprises and the establishment of brand image of resale enterprises，as well as the improvement of regulatory system to ensure market fairness and achieve mutual benefit and win-win results.