Intended Nationally Determined Contribution（INDC）is a typical process of advancing the global climate regime by the bottom-up approach，and it is also the core issue in climate change negotiation for a global deal in Paris and beyond. Under the framework of UNFCCC and its Kyoto Protocol，developed and developing countries are taking polarized commitments and actions，according to their common but differentiated responsibilities. On the contrary，the INDC process reflects a trend of common actions by developed and developing countries together，in the light of their respective capabilities and self-differentiation. The INDC process will have a major influence on advancing the global climate regime. Meanwhile，key contents as reflected by the scope，ambition，legal force and enforcement mechanism in INDCs from parties will also raise challenges for a comprehensive，balanced，ambitious future global climate regime，as well as for its sustained implementation.