Adults are 25-28 mm in length and 77-95 mm in wingspan. All black. The head is big, the compound eye is dark brown, the tentacles are rod-shaped, and there are 2 rows 10 white spots on the chest and back. There are 7-9 yellow white spots on the outer edge of male front wings, which are larger near the hip angle; The outer edge of the hind wing is wavy with a tail process, and there are 7 yellow and white spots in the middle of the wing, which is like a jade belt across the whole wing, hence the name. There are two kinds of females: the macular type is similar to the male type, with several half-moon crimson spots near the outer edge of the hind wing, or 1 crimson eye lines at the hip angle; The outer edge of the anterior wing of erythema has no markings, and the inner edge of the posterior wing has 6 rows of dark red and yellow half-moon spots, with 4 large yellow and white spots in the middle. Oval, with a diameter of 1.2mm, pale yellow and white at first, then dark yellow, and grayish black to purplish black before hatching.