PURPOSE: A mask for air breathing is provided to allow smooth communication with colleagues during a work or an operation. CONSTITUTION: A mask for air breathing comprises a mask(100) which is worn on head and inhaling air through an air supply pipe, a communication terminal(150) which is connected to a walkie-talkie by a wire, a microphone(160) which is connected to the communication terminal, and a speaker module(170) which is branched from the communication terminal through a speaker wire and is hung on the ear of a wearer.
