The invention provides a multifunctional Internet of things information platform. The multifunctional Internet of things information platform comprises an application system, a service system, a transmission system, a sensing system, a smart detection system, a safety alarm device, an optical fiber sensor and an Internet of things equipment host, wherein the application system comprises a meteorological data application module and a smart home module; and the service system comprises a wireless route communication unit, a control layer, a safety authentication module, a smart city end and a smart payment end. Through adoption of the multifunctional Internet of things information platform, path detection, retention detection, meteorological data acquisition, a smart home function, the Internet of things and the Internet are combined together. Through the Internet of things information platform, real-time transmission and sharing of Internet of things data and Internet data can be finished, and a high smartness degree is achieved.