Red pine, arbor, up to 30 meters, diameter up to 1.5 meters bark orange-red, cracked irregularly scaly flake off. Annual branches orange or red and yellow, slightly white powder, glabrous. Winter buds dark reddish brown, oblong-ovoid or cylindric. China has more distribution.

　　Wood rich resin, heartwood reddish-brown, sapwood light yellow, straight texture, quality hard, small structure, the proportion of 0.40-0.54, decay resistance. For construction, poles, sleepers, pillars (pit wood), furniture, matchsticks, wood fiber industrial raw materials used. Trunk can be cut resin, rosin and turpentine extraction; seed oil, for food and industrial use; coniferous extract aromatic oil. Can be used for garden trees. Strong wind resistance, for the Liaodong Peninsula, Shandong Jiaodong area and Jiangsu Yuntai mountain and other coastal mountain afforestation species.

　　Pinus densiflora is a deep root hi-light tree species, strong wind resistance, born in the temperate coastal mountains and plains, the annual rainfall of 800 mm or more than the masson pine cold, the ability of poor soil; born from granite, gneiss and sandstone weathering Soil or acid soil (pH 5-6) mountain, intolerant of saline soil; in the poorly dense clay loam soil growth is not good.

　　It is mainly distributed in eastern Heilongjiang (Jixi, Dongning), Changbai Mountain in Jilin Province, Liaodong Peninsula in central Liaoning, Jiaodong in Shandong and Yuntai Mountain in northeast of Jiangsu. It is 920 m above sea level in the coastal area, Nanjing and other places have cultivated. Japan, North Korea, the Soviet Union also have distribution. The model specimens were collected from Japan.