After preservative treatment, it can effectively prevent termites and microorganisms from invading, effectively inhibit the moisture in wood and reduce the degree of wood cracking. Pinus densiflora is mainly distributed in Eurasia with cool summer and cold winter and moderate precipitation. The resources of Pinus densiflora in Europe are very rich, and they are the main tree species for wood preservation in China. Indulge in the world, fly mood, return to nature, enjoy the sun has become the life and yearning of contemporary people. Outdoor furniture is more luxurious, romantic, noble, fashionable, warm and elegant. In order to create an elegant living environment, reasonable use of balconies, terraces, gardens, living space unlimited expansion, has become a high-end residential quarters, high-grade villas, public gardens, resort hotel building elements can not be missing.