In this paper the authors has newly recorded three subspecies of Danaidae from Formosa (Taiwan), Tirumala limniace orestilla FRUHSTORFER (1♀,Koshun), Euploea swainson swainson GODART (1♀,Koshun), Euploea sylvestor laetifica BUTLER (1♀,Koshun), and Euploea tulliolus monilis MOORE (8♂♂ 7♀♀,Daito and Koshun).