This multi-functional fire extinguishing bag adopts a lightweight design, weighing only 1.2kg with a 5L capacity, integrating four major functions: fire extinguishing, smoke protection, warning, and illumination. Its unique rapid spray system can release all extinguishing agent within 6 seconds, extinguishing initial fires. Using environmentally friendly water-based extinguishing agent, it is non-toxic and pollution-free, requiring no cleanup after fire extinguishing. The flexible fabric shell is easy to store and carry, can be wall-mounted, placed in drawers or car trunks. Equipped with a pull-cord activation device, it can be operated with one hand even in smoke and dark environments. Suitable for initial fire fighting in homes, offices, cars, kitchens and other places, it is a modern firefighting equipment combining practicality and portability.