历经WTO成员方多年努力，由中国倡导并助推，终于实现了历史性突破——非贸易领域的投资便利化协定应运而生。这不仅预示着国际投资法的聚焦已从投资自由、投资促进、投资保护等传统领域，转向投资便利化这一新型议题，投资便利化正在成为全球治理的一种新趋势，还标志着中国在多边机制尝试设置议题、推进议题、提供公共产品、抵御任何脱钩断链的重大突破。在此背景下，中国签署的双边投资条约作为外资立法的延伸，其升级的动力机制已经形成，理应在透明度、简化程序、投资争端预防机制等方面形成合力。与此同时，国内立法作为履约机制的重要载体，更应注重国内行政程序简化的自身改革，加快电子政务的创新力度，与双边投资条约形成“鸟之两翼、车之两轮”。作为改革开放先行区和制度创新试验田，海南开创国际投资“单一窗口”，期冀先行先试、以地方立法“星星之火”，为各地投资便利化形成“燎原之势”。

After years of efforts by WTO members, advocated and boosted by China, it has finally achieved a historic breakthrough. Investment Facilitation for Development Agreement in the non-trade field has emerged. This means that the focus of international investment law has shifted from traditional areas such as investment freedom, investment promotion and investment protection to the new issue of investment facilitation, and investment facilitation is becoming a new trend of global governance. In this context, the bilateral investment treaty signed by China as the extension of foreign investment treaty has formed an upgraded driving mechanism, which should form synergy in transparency, simplified procedures, investment dispute prevention mechanism and other aspects. At the same time, domestic legislation, as an important carrier of the implementation mechanism, should pay more attention to the reform of simplifying domestic administrative procedures, accelerate the innovation of e-government, and form "two wings of a bird and two wheels of a car" with the bilateral investment treaty. As a pilot zone for reform and opening up and a pilot field for institutional innovation, Hainan has created a "single window" for international investment, hoping to take the first trial and "spark" with local legislation, so as to form a "prairie fire" for the facilitation of local investment.