Su-style wood carving mainly refers to the rosewood carving originated in Suzhou, Jiangsu Province. Suzhou rosewood carving has a long history. In terms of carving skills and expression techniques, there are more than ten types, including round carving, relief carving, shallow relief carving, deep relief carving, hollow-out carving, line carving, intaglio carving, and mosaic, etc. Some carving techniques are bold and powerful, while others are concise, taking advantage of natural beauty, which completely depends on the natural shape and texture of the rosewood material. Suzhou rosewood carving is an ancient and traditional handicraft production process, and its procedures are quite cumbersome, requiring experienced craftsmen and many precision tools. The production process of Suzhou rosewood carving is divided into material selection, design conception, cutting and carving, coloring and maintenance. Through a detailed understanding of the Suzhou rosewood carving skills of Dongshan Carved Pattern Building and Xishan Carved Pattern Building in Suzhou, one can deeply understand the skill value of Suzhou rosewood carving.