The invention discloses a wireless monitoring device for a large-scale greenhouse, and relates to the technical field of greenhouse environment monitoring. The device comprises a device body, guide rail feet, a walking drive motor, a rotating shaft, walking wheels, an energy storage device, a power socket, a control cabinet, a circuit board, a processor, a memory, a communication device, an alarmdevice, a rotary driving motor, a rotary shaft, a detection table, a touch display screen, a super-definition camera, a detection support column, detection components, a management system center and an adjusting system, wherein the guide rail feet are arranged on the left side and the right side of the lower end face of the device body. After the technical scheme is adopted, the device has the beneficial effects that the device is simple in structure and high in using value, the large-scale greenhouse can be detected and monitored, the device has a moving effect, a plurality of areas of the large-scale greenhouse can be detected and monitored, the scenery in the large-scale greenhouse can be all recorded by the camera, a worker can timely adjust the environment in the large-scale greenhouse, the use requirements can be met, and the device is excellent in performance and strong in generalization performance in the peer field .