A laryngeal mask airway installation kit (50), comprising a laryngeal mask airway (20) comprising a gastric access tube (21) and a stylet (30, 30a, 30b, 30c, 30d) capable of being inserted into the gastric access tube (21) from the inlet end and, when bent, of changing the original shape of the laryngeal mask airway and thus facilitating the installation of the laryngeal mask airway (20).