Director-General: Huang Huikang
Deputy Director-Generals: Jia Guide, Chen Peijie (female)
Main functions: The Department of Treaty and Law reports on legal issues concerning foreign affairs and international law developments. It is responsible for concluding bilateral and multilateral treaties and conducting international judicial cooperation between China and other countries. It handles legal cases involving foreign country or party, coordinates the compliance of international treaties, and organizes the participation in diplomatic negotiations on climate change and environmental treaties.