Abstract: 【Objective】 The objective was to cultivate a high-quality timber forest and special forest of Liriodendron chinense, and explore the effects of different planting densities on tree growth and wood quality of L. chinense near maturity. This study can provide a scientific basis for the future of subtropical mountain afforestation and the initial planting density of Liriodendron. 【Method】 Three different levels of planting densities of a 25-year-old L. chinense was used to study the effects of initial stand density on growth, stem-form qualities, and wood basic density. 【Result】 The effects of density on the DBH, individual volume, diameter-classes, and the air-dry density were extremely remarkable. The crown area, 4 m diameter, ring width, wood basic density, and bending strength were remarkable. The height, straightness, first lateral branch roughness, first lateral branch angle, height under the branch, stock volume, wood hardness, bending modulus, and axial compressive strength are not remarkable. The best density was 833 trees/hm² for large individual volume and to obtain middle and large dimensions of wood. The planting density with the largest volume was 1 111 trees/hm², which has high economic benefits. The planting density with the largest of wood basic density and air-dry density was 1 666 trees/hm², which achieved high-quality wood. 【Conclusion】 Different planting densities, the advantages and disadvantages are both. If thinning is allowed, high density afforestation can be used, and the yield of large diameter timber can be increased by thinning in 11 to 15 years and 21 to 25 years.