DLC liquid cooling technology immerses IT equipment in the coolant, and the heat dissipation of the IT equipment is directly transferred to the coolant. The coolant exchanges heat with the water circulation system through the liquid cooling host. The water circulation system brings the heat to the cooling tower and dissipates it into the air., that is, completes the heat dissipation cycle of the liquid cooling system once. Using the DLC liquid cooling solution, the PUE value of the data center can reach below 1.1 (the lowest PUE value on the average test day can reach 1.049); the refrigeration system saves energy by 80%-95%, and the energy consumption of IT equipment is reduced by 10%-20%. Using DLC liquid cooling method, the IT power of a stand-alone cabinet can easily reach more than 20-50kW (the maximum power of a stand-alone cabinet can reach 200kW), meeting the heat dissipation needs of high-performance computing servers; the heat exchange efficiency is high, the flow temperature field is more stable, and the cabinet has no local hot spots. Cabinet operating noise is within 42dB (A). The average PUE value of traditional data centers is 1.6; the PUE value of data centers using liquid cooling technology is 1.2, the energy saving rate of air conditioning systems is 67.7%, and the overall energy saving rate of data centers is 25%. Assuming that the annual energy consumption of my country's data centers will no longer increase in 2023 and the penetration rate of liquid cooling technology will be 5%, the data center can save electricity throughout the year: 3.335 billion kWh; it can reduce carbon dioxide emissions by 2.5013 million tons per year; and reduce the use of 1.0672 million tons of standard coal.