Based on the traditional SCBA, this system integrates audible and visual alarms, thermal imaging display, voice communication, Bluetooth expansion and other functions, and supports real-time transmission of equipment data and on-site images to the backfield command center through MESH and 4G/5G. The device adopts ergonomic design, the bracket is rotatable, the height is adjustable, and it is lightweight; it supports the rapid filling or replacement of gas cylinders, the shoulder strap can be quickly disassembled and assembled, and the power supply module can be quickly replaced, making it easy to use and maintain.