In the context of the stark contradiction between rapid urbanization and ecological systems on which it depends，several international think tanks collaborated to publish a report：BiodiverCities by 2030：Transforming cities’ relationship with nature. It puts forward the concept of biodiversities which is a vision for cities as living systems to achieve a harmonious coexistence of the built environment，social structure and natural capital. The report analyzes the adoption of nature-based solutions in urban construction，in particular measures the investment costs and expected benefits of these solutions，and proposes some paths from three aspects：urban governance，spatial reintegration and mobilizing investment. This is an important reference for China to achieve the goals of urbanization development and biodiversity.