Fire extinguishers are indispensable tools in enhancing fire safety within subway systems. They provide a crucial first line of defense against fires, offering rapid response capabilities that can prevent small incidents from turning into catastrophic emergencies. Subway authorities and passengers alike must recognize the importance of these firefighting devices, ensuring their availability, proper maintenance, and the necessary training for effective use. In doing so, we can continue to improve the safety and reliability of subway transportation for millions of people worldwide.