First, the shade of the canopy has a cooling effect: it is 5 degrees different from the ginkgo tree under direct sunlight; Second, strong adaptability: wide requirements for climate and soil; Third, there are few pests and diseases; 4. Smoke, fire and toxic gases; Ginkgo biloba has the functions of preventing pollution, fireworks and dust. Ginkgo trees can be planted in industrial areas, residential areas, towns, densely populated areas and rest areas. According to a certain proportion, ginkgo forest area and ginkgo forest belt will be formed to naturally purify the air, reduce the content of suspended solids in the atmosphere and improve the air quality. 5. Anti-ionizing radiation: During World War II, the atomic bomb exploded in Hiroshima, Japan, and all living things were gone, except the ginkgo tree sprouted again the next year. Ginkgo biloba can spit green in the spring after volcanic eruption and atomic bomb explosion, and its anti-nuclear radiation function is amazing; A certain area and quantity of ginkgo trees can be planted around military factories, military facilities, nuclear facilities and nuclear industrial zones. So as to naturally eliminate the influence of nuclear radiation to the maximum extent. Seven, the trunk is smooth and firm: very suitable for cultivation in public places and busy streets; Eight, deciduous leaves germinate early and germinate late, which is beneficial to luster; These flowers are small in shape and light in color. Most of them are male trees planted in public places and traffic streets. Nine, Ginkgo biloba is resistant to pests and diseases, is recognized as a pollution-free tree species, and is the most ideal tree species for ornamental greening. Parks, gardens, communities, roadsides, urban greening and ginkgo planting can be described as "once and for all". Ten, strong sprouting, extremely resistant to pruning, is conducive to the pruning and shaping of trees, can add scenery. Ginkgo biloba has the functions of nourishing water source, preventing wind and fixing sand, and maintaining soil and water. In areas where deforestation, soil erosion and sandstorm erosion are serious, ginkgo shelterbelts, shelterbelts, road protection forests, bank protection forests, and sand prevention forests are cultivated to maintain water and soil and improve the ecological environment.