The invention discloses a transplanting method of greening trees. According to the technical scheme, the method is characterized by comprising the following steps of 1, pretreatment of nursery stocks,wherein to-be-transplanted nursery stocks are firstly pruned, and then are subjected to root cutting treatment at the same time; 2, transplanting of arbors, wherein one soil ball is dug below rhizomes of the arbors; 3, packaging and digging, wherein a straw rope is utilized to conduct packaging in a checkering mode, and then a fine rope is utilized to conduct bundling; 4, pretreatment of a planting hole, wherein firstly the planting hole is watered; 5, conducting supporting and planting maintenance, wherein a triangular or quadrangular support shelf is utilized to support the arbors, and within 15 days after planting, watering is conducted every day. Through a scientific transplanting means, and through the cooperation of organic fertilizer, inorganic fertilizer, and microbial fertilizer,the soil environment is influenced, lateral roots are prompted to quickly come out from a tree which is newly planted into the planting hole, and the tree is quickly restored to the normal state by itself, and thus the technical effect that the transplanted tree needed for greening is high in survival rate is achieved.