Pruning Platycladus orientalis, on the one hand, is for ornamental beauty, on the other hand, proper pruning of branches and leaves can adjust the growth of trees, reduce the occurrence of pests and diseases, and ensure their healthy and rapid growth. In early winter or early spring when the pruning time is 1 1 ~ 12, the dead branches and diseased branches in the crown are pruned, and the dense branches and weak branches are thinned. After pruning, cooperate with fertilization.