The modular liquid cooling piping system for modular equipment rooms and floating cabins is specifically engineered for energy storage systems, container-based liquid cooling equipment, and specialized liquid cooling applications in floating cabins. It provides precise compatibility with various energy storage modules, container cabinets, and the internal liquid cooling circulation requirements of floating cabins, seamlessly integrating with the cooling capacity distribution unit, heat dissipation components, and terminal equipment. Featuring a corrosion-resistant and lightweight custom design, this system allows for flexible adjustment of piping routing and specifications based on the specific application dimensions, power requirements, and available installation space, ensuring efficient coolant transport and precise cooling capacity distribution even under extreme environmental conditions—thereby supporting the stable operation of energy storage, container, and floating cabin equipment while being suitable for complex operating environments such as outdoor or mobile applications.