The invention relates to a mature mango breed rapid updating dwarfing culture method. Cutting trunk time has no season restriction, grafting is immediately carried out after cutting trunk, cut grafting method is adopted, plastic film is adopted to cover grafting sprout, and tearing film is used for banding, and management of plant diseases and insect pests and intertillage fertilization are caredafter grafting. The invention has the beneficial effects that: when the method is used for rapidly replacing breed, dwarfing and especially improvement of breed of mature mango garden and inferior mango garden, on one hand grafting survival rate is improved, breed improvement period is shortened, on the other hand, the improved fruit garden goes into operation early, economic benefit is increased, the aim of dwarfing the crown of mango tree can be realized by adopting the method, fruit picking and plant diseases and insect pests operation are easier, labour and time are saved, and management cost is reduced.