Fire cabinet type fan boxIt is a new type of wind power source that, compared with commonly used ventilation equipment, has the characteristics of large air volume, low noise, small size, power saving, and easy on-site disassembly and assembly. The fire cabinet fan box is particularly suitable for ventilation and air exchange in general factories, civil buildings, education and research, and office buildings, as well as series pressurization of air conditioning systems. The fire cabinet fan box can be combined in any modular structure and can be matched into a soundproof fan box or an air filtration box according to user requirements.