The utility model relates to a mobile inspection device for a machine room. Moving vehicle body, the mobile vehicle body is provided with a digital holder, a control unit, a wireless module and a power supply module. The digital holder is provided with a network camera and an infrared thermal imager. The network camera is connected with the control unit; in this way, work tickets and personnel information can be collected during the inspection process. Wherein the infrared thermal imager is connected with the control unit so as to acquire ambient temperature information, the digital holder isconnected with the control unit so as to receive a holder movement command and perform corresponding movement according to the holder movement command, and the electric mechanism used for driving themobile vehicle body is connected with the control unit so as to receive the vehicle body movement command and drive the mobile vehicle body to perform corresponding movement according to the vehicle body movement command; the control unit is connected with the wireless module so as to transmit related data to the upper system and receive a control command of the upper system; the power supply module supplies power to each part. The device not only is beneficial to improving the automation degree of machine room inspection and saving the labor cost, but also is simple in structure and good in using effect.