The first kind is sculpture with a base. The so-called bottom carving means not hollowing out the bottom. It can also be subdivided into reliefs and intaglios. Generally only hard furniture can be embossed, because embossing stresses toughness. The image created by the relief restoration is more realistic and the outline is clear. Yin carving is mainly aimed at lacquer furniture. The greater the contrast between lacquer color and wood color, the better the effect of Chinese calligraphy and painting will be.

The second category is bottomless carving. Corresponding to the carving on the lower left. Divided into through carving, round carving and double-sided carving. Generally, the hollowed-out decorative pattern is relatively simple, because it is hollowed out, and this is how the transparent effect of Ming-style seats is carved out. The circular sculpture is a three-dimensional sculpture of the mascot. Shuang Mianxiu in Suzhou is carved on both sides by hollowing out, that is, both sides need to be carved.