To provide an oxygen supplying apparatus for medical use having the function that an ultraviolet sensor mounted on a body detects a fire.

In the oxygen supplying apparatus, comprising a fire sensor and a temperature sensor, an control section drives a reporting means to report the fire when the fire sensor detects the fire, and the control section further drives the reporting means to report and controls an oxygen generating means to stop when the temperature sensor detects the predetermined temperature or higher. The fire sensor, or an ultraviolet sensor, is mounted on the inside of the body, and has an ultraviolet transmitting window. Also, two or more fire sensors are mounted, and their directional axes are different view angles mutually.