Plastic pruning is a routine work in garden tree cultivation management. As an important factor in garden landscape, the graceful and rich tree shape and posture of garden trees are the embodiment of garden landscape. At the same time, maintaining the reasonable crown structure of garden trees, adjusting the length and rejuvenation of trees can also prolong the life of trees and give full play to their ecological value. The realization of the above effect must depend on the comprehensive application of reasonable shaping and pruning technology. In addition, pruning measures of garden trees can also prevent or reduce the occurrence of pests and diseases to a certain extent, which has a positive impact on the growth and development of trees.

Shaping refers to the use of certain pruning measures to form a suitable tree structure to meet the growth and development of trees and people's aesthetic needs; Pruning is to cut off some branches, leaves and other organs according to the requirements of tree growth, development and modeling, in order to adjust the tree potential, cultivate and update its modeling. Plastic pruning is an inseparable comprehensive cultivation management technology.

Although the pruning of garden trees also regulates the growth, development and modeling of trees, it is different from the pruning in fruit tree production and bonsai art modeling, so it has a wider connotation of garden art and more positive and important ecological benefits.