The invention relates to an alarming device and method for a microclimate environment of a roller-compacted concrete lift surface and belongs to the technical field of weather information collection.Multiple monitoring units are integrated, high integration is achieved, monitoring is more comprehensive, and the device and method are suitable for being used in large concrete engineering construction.Meanwhile, the device is convenient to use and high in automation degree, the analysis result and the optimal construction advice can be sent to a mobile phone, and construction by constructors is convenient.According to the device, monitoring personnel can master environment information in real time, the timeliness of a monitoring device is improved, a server is used for comprehensively analyzing monitoring data, and therefore work efficiency is improved.