A transplanting method of extra-large ancient cypresses belongs to the field of transplanting technologies of large trees and includes the steps of firstly, measuring soil; secondly, detecting roots; thirdly, performing balance pruning; fourthly, breaking roots twice, and treating the roots; fifthly, sterilizing; sixthly, protecting trunks; seventhly, digging and binding soil beds; eighthly, lifting and transporting soil balls; and ninthly, treating planting environments, and planting. By scientific transplanting and maintenance management according to the transplanting method of extra-large ancient cypresses, new water balance systems are established after the ancient cypresses are transplanted, survival and germination of a great quantity of roots and shoots are ensured, healthy growth of the ancient cypresses is promoted, and the cypress trees grow are numerous in roots, branches and leaves. In order to guarantee healthy growth of the ancient cypresses, the ancient cypresses are maintained and rejuvenated scientifically 4-6 years after transplanting. The soil balls are packed and transported with specially made structural steel frames in bowled basket structures, firmness of the soil balls is guaranteed maximally, use is facilitated, and survival rate of the transplanted trees is high.