Growth characteristics of Pinus armandii: light-loving, seedlings slightly like shade. I like mild, cool and humid climate, but I can't tolerate heat, and I can't grow well in places where the high temperature season is long. Strong cold tolerance. It can adapt to a variety of soils and is most suitable for growing on deep, moist and loose neutral or slightly acidic loam. Saline-alkali-tolerant soil, shallow root system, inconspicuous main root, developed lateral root and fibrous root. It has strong resistance to sulfur dioxide and smoke dust, and its resistance is higher than that of Pinus tabulaeformis in the north. It has been selected as the main tree species for greening and environmental protection in Beijing.