It is necessary to control one of them in management, that is, to apply more nitrogen fertilizer in the early stage to promote growth, that is, to apply more phosphorus and potassium fertilizer in the fruit and later stage to strengthen reproductive growth. In the fruit stage, keep the core, inhibit the excessive growth of nutrition, and supply the fruit with nutrition. After the fruit is picked, the fertilizer is supplemented every month to supply the tree with nutrition and strengthen the nutritional growth. Cut in winter and leave strong buds, so that the fruit will be good.