To provide a fire extinguishing tool capable of extinguishing a fire by being directly thrown into cooking equipment such as a pan on the occurrence of the fire caused by edible oil.

A fire extinguishing tool of the present invention includes: a single-layer hot-melt resin film into which a fire extinguishing chemical agent is to be encapsulated; at least one float; and a quadrangular prism-shaped box into which the single-layer hot-melt resin film and the at least one float are to be encapsulated.