A double umbilical identification device mother-infant, includes: an identification armband (1) for the mother provided with irreversible closing element (4, 5) and with an identification code (8) a first umbilical clamp (2) and a second umbilical clamp (3) for the newborn, irreversibly marked with the same identification code (8) of the armband (1) wherein the armband (1) is connected to the clamps (2, 3) by connecting rings (6, 7) made out of easily removable plastic material, characterized in that the device includes a sterile bag (200) connected by a first ring (6) to the armband (1), the sterile bag (200) containing the first clamp (2), and a second sterile bag (300) being connected by a second ring (7) to the first clamp (2), the second sterile bag (300) containing the second clamp (3). A mother-infant identification method making use of a double umbilical device is also described.