The leaves of Jinzhiyu grow quickly and the new branches have strong germination ability. When making tree-like shapes, you should always prune and cut off branches that are too long, too dense, crossed and introverted in time, otherwise it will grow into a pile of grass after a long time. In particular, it is necessary to cut off the branches in the inner hall and increase ventilation, so that it is not easy to have a "backyard fire" when the canopy is expanding.