关键词: 可持续发展原则, 国际法, 体系化, 软法, 非国家行为体

Abstract: The principle of sustainable development has developed into a principle of international law for mankind to cope with global
challenges, but it faces various difficulties and challenges in the process of implementation. The fragmentation and softening of
international law norms in the field of sustainable development, and the rise of non-state actors have had a significant impact on the understanding and implementation of sustainable development principle. Through the systematization of international law on sustainable development and the updating of implementation theories and methods, it is necessary to improve the system of rules applicable to the principle of sustainable development, give play to the constructive role of non-state actors, and enhance the binding force and enforcement of the principle of sustainable development through international economic and trade treaties and dispute settlement mechanisms, so that the principle of sustainable development can be correctly implemented and enforced in international law.

Key words:  , the principles of sustainable development, international law, systematization, softening of law, non-state actors