Negotiations of China-U.S. BIT and China-EU BIT which have been officially launched in 2008 and 2013 respectively are major fields for China’s participation in the remodeling of international investment rules. The two investment agreement negotiations not only have a significant impact on Sino-US and Sino-EU economic and trade relations，but also closely relate to the improvement of China’s domestic investment environment. Through comparative analysis of the contents of negotiations on China-U.S. BIT and China-EU BIT，it can be found that the two negotiations have both positive impact and challenges for China. China needs to actively promote Sino-US and Sino-EU BIT negotiations and deepen the reform of domestic foreign investment management system at the same time. Sino-US and Sino-EU shall uphold mutual agreement on cooperation and seek to achieve a balance，win-win and high level of BITs.