The utility model relates to the technical field of monitoring equipment, and particularly relates to a machine room equipment performance monitoring device. The machine room equipment performance monitoring device comprises a data acquisition module, a data processing module and an execution module, wherein the data acquisition module comprises an electromagnetic radiation sensor and a noise sensor, a signal output end of the electromagnetic radiation sensor is electrically connected with a first signal input end of the data processing module, a signal output end of the noise sensor is electrically connected with a second signal input end of the data processing module, and a signal output end of the data processing module is electrically connected with a signal input end of the execution module. The machine room equipment performance monitoring device is reasonable and compact in structure and convenient to use, monitoring for machine room multipoint temperature, electromagnetic radiation, noises and network flow is integrated, the structure is simple, and centralized monitoring and analysis for important indexes of a machine room are realized; display is carried out in two modes simultaneously which are an upper computer client and a liquid crystal display module, thereby being convenient for the machine room operation and maintenance inspection personnel to monitor machine room equipment performance information both inside and outside the machine room.