It is based on the fact that Sukunabikona no kami is considered to be the god of medicine, and that it is described in Kojiki (Records of Ancient Matters) and Hokinokuni fudoki (records of the culture and geography of the Hoki Province) that Sukunabikona no kami who completed the nation building traveled from Awashima to tokoyo (the perpetual country).
少彦名神が医薬の神とされていることや、古事記や伯耆国風土記に、国造りを終えた少彦名神が粟島（あわしま）から常世へ渡って行ったとする記述があることによる。