Abstract: The present utility model discloses a full face dive mask, comprising a facial mask, a head strap connected with the facial mask and a respiratory pipe connected with the facial mask, wherein the side surface of the upper end of the facial mask is provided with a guide rail, the side surface of the lower end of the respiratory pipe is provided with a fixing shaft slidably connected with the guide rail, and the respiratory pipe is pulled outwards along the guide rail and revolved to fold in the facial mask. The utility model is simple in structure, small in size for the respiratory pipe can be folded to place, easy to store and capable of guaranteeing smooth breathing of a user.