The invention discloses a method for culturing a potted Gala apple tree. The method concretely comprises the steps of: selecting a field; selecting a seedling; fixedly planting; managing soil fertilizer water; and trimming. In spring, the selected high-quality and strong tree is temporarily planted into the selected field and used as a seed tree for being planted into a pot in future; the growth of the tree is controlled in the temporary planting period, and the management of fertilizer water and the control work of diseases and pests are reinforced; the tree height is 1m, the trunk thickness is 3-5cm, after a flower bud is formed, the pot planting condition is achieved; the seed tree is dug out, a mud pot is selected, pot soil to be filled into the pot is prepared, and a fruit tree root is trimmed to be planted into the pot; after the tree is planted into the pot, people pay attention to the works of watering, fertilizer water nutrition and disease and pest control, and the tree is sprayed with a plant growth regulating agent at fixed period, reshaped and trimmed; and after growing, blooming and fructifying in the pot, the fruit tree can be sold in the market. In the method of the invention, a field fruit tree is dwarfed, and then planted into a small flowerpot, which can beautify a courtyard and decorate a room, has the characteristics of less space occupation, convenient transportation, wide use range, and the like, has the ornamental performance of pot culture and edible value and can be used as a movable orchard for picking.