Chengjiang found more than 30 fossil sites, collected more than 30,000 fossils, scientific identification believes that there are 40 categories, more than 100 species of paleontological fossils, covering all categories of modern biology, and also found a variety of new species of animals that have existed in the past in large numbers and have been extinct, which has exceeded the existing animal classification system. It can only be named after the excavation place name, such as Fuxian Lake insect, Haotianshan insect, Yunnan insect, Kunming insect and cross-horse insect, etc., there are the oldest spine animals on the planet Haikou fish, its structure and function are more complicated than Yunnan insects, is the most special category of fossil animals found in the world The best buried preservation, the most beautiful appearance, the best quality, is a rare treasure-class animal fossil.