​Biodiversity refers to the biodiversity, which is the synthesis of the ecological complex formed by organisms and their environment and various ecological processes related to it. It refers to a wide range of concepts and professional academic terms of the degree of natural diversity. It includes all living things and their genes, including natural animals, plants and microorganisms. In the book "conservation biology", Jiang Zhigang and others defined biodiversity as: "biodiversity is the synthesis of ecological complex formed by organisms and their environment and various ecological processes related to it, including animals, plants, microorganisms and their own Genes and the complex ecosystem they form with their living environment. There are three parts of biodiversity, namely genetic diversity, biological diversity and ecosystem diversity.

In 1948, the World Union for conservation of nature (IUCN) was founded by the United Nations and the French government. In 1971, UNESCO put forward the famous "man and biosphere plan", which played a great role in promoting the protection of biological resources in all countries of the world. In the 20th century, with the rapid development of human beings, there is also a huge threat to the nature. People realize that in the huge nature, every kind of animal and plant will have relations, and the extinction of an animal or plant will indirectly cause damage to other species. People must save rare and endangered species, and focus on the protection of the wild population of the species involved Their habitat should be protected from persecution.

——Refer to the official website of biodiversity