This book constitutes the refereed post proceedings of the China Conference on Large Foundation Model and Decision Intelligence, CCLD 2025, held in Suzhou, China, during December 4–6, 2025.

The 14 full papers included in this book were carefully reviewed and selected from 51 submissions. They cover a broad spectrum of cutting-edge topics, including Large Models and Complex Systems, Intelligent Command & Control, World Models and Spatial Intelligence, Human-Machine Mixed Decision Making, Embodied Intelligence, Generative Art, Scientific Intelligence, Intelligent Game Decision Making, Algorithmic Competition, Safety Alignment, and Brain-like Intelligence.