The following is the knowledge sharing about colorful piers: The best wood for making colorful piers is ginkgo, alder and oak, which has the characteristics of solid texture, delicate texture, corrosion resistance and difficult deformation, and is very suitable for making colorful piers. In addition, ginkgo, cypress and elm are also commonly used to make vegetable piers, but attention should be paid to prevent cracking. The choice of wood for vegetable pier should be considered comprehensively according to personal needs and actual conditions, and the most suitable materials should be selected.