Internet of Things (IOT) system and method for smart hotel

The invention discloses an Internet of Things (IOT) system for a smart hotel. A mobile client is in wireless signal connection with a hotel PMS customer control system via a cloud server. The hotel PMS customer control system is in wireless signal connection with a room ZigBee intelligence control system. The room ZigBee intelligence control system comprises ZigBee smart hosts distributed all rooms. Each ZigBee smart host is in wireless signal connection with a corresponding room intelligent device. The invention further discloses an IOT method for the smart hotel. A user sends an instruction to the hotel PMS customer control system via the cloud server with the mobile client. The hotel PMS customer control system, according to the instruction, sends a control instruction to the ZigBee smart hosts. The ZigBee smart hosts, according to the received control instruction, wirelessly control the room intelligent devices. The IOT system and method may achieve self-service check-in and remote control of the room intelligent devices.