The difference between small-leaved elm trees and elm trees is mainly reflected in the leaves, shape and use. The leaves of the small-leaved elm tree are relatively small, while those of the elm tree are larger, and the leaf shapes are similar, both are long oval or elliptical oval. The difference in morphology is that the small-leaf elm tree is more resistant to pruning, while the elm tree is difficult to prune and has a large tree shape. Furthermore, the uses are completely different. Small-leaf elm trees are mostly used for bonsai maintenance and have high ornamental value. The elm trees are taller and are mostly used as street trees, factory greening, etc.