Fruit trees refer to perennial plants and their thorns that can provide edible fruits and seeds. The wood of many fruit trees is an excellent material for national defense industry, construction industry and sculpture art. When the fruit trees grow to a certain extent, the tops of the trees need to be cut off. Why is this? Because the tree has the advantage of the top, only by cutting both sides can it bear more fruits. According to different plant characteristics, proper pruning can improve the quality and quantity of fruits. Fruit tree pruning is an important technical measure for fruit tree cultivation and management. Choosing a reasonable tree shape and applying correct pruning techniques in orchard are important guarantees to realize early fruit, high yield, stable yield and high quality. Therefore, plastic pruning has always been concerned by fruit tree producers. Fruit tree shaping (T-wind) is a technique to cultivate the main branches and crowns of trees into specific structures and shapes by pruning and applying corresponding cultivation techniques, which is also called fruit tree pruning. Pruning (wind) is a general term for controlling the number of branches of trees (including increase, orientation and growth potential). Fruit tree root pruning, the former is called root pruning, the latter is called chemical pruning. Knowledge expansion: The nutrition and health care function of fruit is rich in vitamins and inorganic salts, as well as sugar, starch, protein, fat, organic acids and aromatic substances. It is an essential substance for human growth and nutrition. According to nutritionists' research, everyone must buy 70~80% fruit every year to meet the normal needs of the human body. (2) The medical effects of apples Many fruits and seeds can be used as medicine and have therapeutic effects. Such as walnut, litchi and longan. It is a good health care product; Often use pear cream and persimmon cream; Almond, peach kernel and orange complex are important Chinese herbal medicines. Guava can treat diabetes and lower cholesterol. (3) Ecological and environmental benefits of fruit trees. Fruit trees are generally adaptable. It can be planted not only in the front and back houses of plains, rivers, roads and country parks, but also in deserts, hills and beaches. Choosing suitable fruit trees can not only increase economic income, but also prevent soil erosion, increase green coverage, adjust climate, and realize greening, beautifying and purifying the environment.