我国苹果树形改造期间存在树形改造力度、主枝结构、枝组培养密度和长度、果园群体密度等问题。我们提出了解决上述问题的方法和技术思路。 During the process of apple tree reconstruction in China, there are such problems as the intensity of tree transformation, the structure of main branch, the density and length of cultivation of branches and groups, and the population density of orchards. We have proposed a solution to the above problems and technical ideas.