对老枣树进行更新，长而瘦弱的枝组，应回缩复壮；已无利用价值的干枯枝和瘦弱枝，全部疏除；断枝的旧伤口或残桩，应平茬修整，并涂保护剂。具体修剪，因树而异。一、一般大枝光秃严重，中下部没有可用的二级骨干枝的，按疏层形选出两层主枝或按圆头形选出４至５个主枝，各回 Old jujube trees to be updated, long and thin branch group, should be retracted and rejuvenated; has no use of the value of the dry branches and thin branches, all sparse; broken branches of the old wound or stump, should be stubble trimming, and Tu Protective agent. Specific pruning, varies by tree. First, the general large bald bare, not available in the lower two backbone branches, according to sparse layer shape selected two main branches or round head shape selected 4 to 5 main branches, each back