The invention relates to the technical field of agricultural planting, and provides a high-efficiency planting method for mangoes. The method comprises the steps that 1) land is selected and prepared,and a greenhouse is established; 2) firstly, the roots of seedlings are soaked in medicine slurry, and field planting is conducted, wherein the medicine slurry is mainly prepared from chilli powder,sand ginger, bone meal, boric acid, common lantana leaves, india canna rhizome, herbs of siebold buttercup, herba ocimi basilici, herbs of solenostemon scutellarioides, yellow mud, phosphate fertilizer, phoxim and the like; 3) movable sprinkling heads are installed on the greenhouse above the fruit trees to sprinkle sprinkling liquid to the fruit trees back and forth, wherein the sprinkling liquidis mainly prepared from urea, nitrogen phosphorus potassium compound fertilizer, herbs of marrubium vulgare Horehound, chamomile, alpine yarrow herbs, borago officinalis, lotus japonicus, pistacia chinensis leaves, radix euphorbiae lantu, cynanchum komarovii, saponin powder, sapindus mukurossi fruit powder and the like; 4) orchard management. By means of the planting method, sterilization, insectkilling, pest repelling, beneficial insect attraction and decontamination cleaning can be effectively achieved, the diseases and pests are reduced, the quality of fruits is improved, the mu yield, average single-fruit weight and soluble solid content of the mangoes are increased, and the economic benefits of planting the mangoes in mountain land are increased.