There are some white and black chapters in the wood of Pteris cristata, and some are Rayna Sue in color. The diagonal saw wood grain is like a fine flower cloud, which looks like chicken wings. Especially in the longitudinal section, the wood grain is slender and floating, changing endlessly, naturally forming landscapes and figures. Compared with rosewood, rosewood and other Woods, the yield of Pterocarpus formosana is less, and the wood texture is unique, so it is cherished by the world for its rare existence and beautiful charm. It is a kind of mahogany with chicken wings (V-shaped) patterns on the tangential section of wood heartwood. Chicken wing wood is famous for its remarkable and unique texture, which has always been deeply loved by literati and consumers. Chicken wing wood is easy to distinguish from other redwood species, but in the actual market, chicken wing wood is mixed with good and bad, and it is difficult to distinguish between true and false. Old furniture is called old chicken wing wood, new chicken wing wood and acacia wood, and mahogany furniture is divided into Burmese chicken wing wood and African chicken wing wood.