城市消防实践中面临着一些实际问题，包括故障报警处理不及时、消防设备管理维护难等问题，物联网技术的发展，以及NB-IoT商业化的日益成熟，为解决这些问题提供了新的思路和方法，可以实现对消防设备以及火灾隐患场所的实时感知。本文探讨了物联网技术在消防领域的技术选型，以及接入协议的选择，并在降低物联网设备运行功耗方面给出了一些实践方法。

There are some pain spots in fire protection, including delay of fault alarm processing, difficulty in management & maintenance of device. The development of IoT technology and commercial deployment of NB-IoT network by carrier provide new way to resolve those questions. The fire protection device and the place with fire hazard is real-time perceptible now. The article describes how to choice the IoT technology and protocol, and how to reduce the power consumption of IoT terminal equipment which uses battery.