Data center machine room energy-saving system

The invention discloses a data center machine room energy-saving system, and relates to the technical field of information, the data center machine room energy-saving system comprises an energy-saving cabinet module, a temperature feedback module and a temperature control module, hinge structures are fixedly arranged on the right side of the energy-saving cabinet module, and a cabinet door is fixedly arranged between the hinge structures on the two sides; an independent energy-saving unit is formed by the energy-saving cabinet module, the temperature feedback module and the temperature control module, an energy-saving system is formed by the energy-saving units in the whole machine room, the storage plate is arranged in the mounting frame of each energy-saving unit, refrigerants can be recycled in the temperature control module, the refrigeration efficiency is improved, and the energy-saving effect is good. When a maintainer needs to open the single-layer storage plate, only the unit door at the corresponding