The cabbage butterfly is an insect belonging to the family Papilionidae in the order Lepidoptera. The body of the butterfly is gray black, and its wings are pink white; The base of the female butterfly's forewings is mostly gray black, with a triangular black spot at the apex; The black spots on the base of the male butterfly's forewings and the triangular black spots on the apex are relatively small. The Chinese cabbage butterfly is distributed throughout China, from northern America to eastern India. It inhabits farmland, especially vegetable fields, wastelands, and urban park green areas. Enjoying visiting flowers to absorb nectar, they also absorb water on the ground and fly slowly. They often inhabit the opposite side of the leaves of clustered plants. They mainly feed on cruciferous vegetables and are still oligotrophic pests. The oviposition ability of females varies from generation to generation, ranging from 20 to 500 eggs.