A laryngeal mask for covering an opening of the larynx and touching an opening of the esophagus of a patient is disclosed. The laryngeal mask has a tube and a mask portion, wherein the tube has a first end. The mask portion has an upper surface, a front end, and an esophageal blocking portion, wherein the upper surface connects to the first end； the esophageal blocking portion is situated at the front end. When the laryngeal mask is being placed into the patient's pharynx, the esophageal blocking portion moves along bilateral sides of the esophagus and blocks the opening of the esophagus such that the opening of the larynx is properly covered by the laryngeal mask.
