A gas communication device comprises a main body, at least one gas delivery pipe and a cover. The gas delivery pipe is at least partially disposed in the main body and forms a gas outlet at one end； the cover is movably pivoted to the main body and comprises at least one sealing structure for correspondingly sealing the gas outlet, wherein the cover is movable along an axis relative to the main body and away from the gas outlet so as to break the seal of the sealing structure on the gas outlet such that the cover is rotatable relative to the main body to expose the gas outlet.
