The invention discloses a planting method capable of increasing yield of high-quality variety Mahan of carya illinoensis. The planting method comprises the following planting techniques of land preparation and ridging of a field, seedling culture in containers, grafting, trunk heading, shaping and trimming, management of soil, fertilizer and water, artificial castration and the like. The planting method has the advantages that the Mahan can form a certain crown 3 years after sowing, and fruit since the fourth year, the biennial fruiting phenomenon is avoided in the subsequent fruiting period, and the yield of Mahan is increased; the important significance is realized for promoting the industrialized development of the high-quality variety Mahan of carya illinoensis.