The replacement of high-quality fruit trees in spring is an important technical measure to improve the quality of the products, and the management of the fruit trees before and after the high-level connection has a very important role in ensuring high success. Prior to the management of fruit trees, the water should be poured first before the high-rise fruit trees are connected to ensure that the high-risk parts are cut off and excess branches are cut off. After the pest control fruit trees are connected to the wound area and the scions, the pests and diseases are easily infected. The disease should be promptly inspected and controlled with drugs to ensure budding and germination. After the tall branches of the tied fruit trees are connected, the time for lignification of the callus is longer. When the new shoots grow to more than 20 centimeters in length, the pillars should be tied in time to prevent wind scraping. After the fertilization and water management fruit trees are high, the tree vigor will be weakened to varying degrees, and fertilizer and water management must be strengthened. A sufficient amount of organic fertilizer and N, P, K compound fertilizer should be inserted according to the age of the tree and the size of the tree, and the water should be timely watered. After shaping the fruit trees, the tree shape is often disordered, and the original tree shape is damaged. In the light of the principle of ventilation and light transmission, the pruning should be carried out in a timely manner. For the new shoots that are used as auxiliary feeding branches, the branches should be pulled, twisted, picked, and opened. Angles, etc., to promote the formation of flower buds, early into the result period.