The growing demand for generative AI and high‑performance servers has made liquid cooling an essential requirement for modern data centers. This seminar introduces "Fujitsu Liquid Cooling Management for Datacenter", a solution based on more than 40 years of liquid‑cooling expertise developed through advanced supercomputers such as K and Fugaku. This session explores how Fujitsu addresses complex system management, high initial investment costs, and specialized operational challenges while improving PUE, ensuring stable operations, and reducing environmental impact through an integrated hardware, software, and services approach.