The invention relates to an Internet of Things fire home cloud detection system. The system comprises a cloud server, a home monitoring terminal, an intelligent gateway router, a memory, a display module, an Internet of Things wireless terminal, a power supply module, a fire control module, a gas leakage detection module, an alarm module and a smoke detection module. The home monitoring terminal is connected with the cloud server through the intelligent gateway router. The home monitoring terminal is connected with the memory, the display module, the power supply module and the fire control module through the Internet of Things wireless terminal. The fire control module is connected with the gas leakage detection module, the alarm module and the smoke detection module. The fire control module is wirelessly connected with the Internet of things wireless terminal in real time for monitoring. According to the invention, the system has the advantages of ingenious design and diversified functions, and plays the dual roles of monitoring and quick alarm; and through the cooperation of the home monitoring terminal and the cloud server, fire is greatly reduced.