NOVELTY - A method for using earthworm inter-cultivating to improve garden comprehensive benefit comprises carrying out interplanting according to characteristic of plant, and selecting a plant or seed crops; selecting a variety of earthworm; collecting livestock manure, and straw, stacking and fermenting under natural condition; cultivation planting in passage; introducing earthworm field, putting the fermented livestock manure and straw in cultivation bed; and harvesting plant, at the same time, harvesting the earthworm for direct sale or drying.    USE - Method for using earthworm inter-cultivating to improve garden comprehensive benefit.    ADVANTAGE - The method improves soil and nursery stock survival environment, increases survival rate of nursery stock, which greatly reduces cost on repeated planting of nursery stock, manufactures natural organic fertilizer, which greatly reduces the fertilizer cost, earthworm antimicrobial peptide and active enzyme capable of extracting a nursery stock showing autoimmune function to resist plant diseases and insect pests; and greatly reduces pesticide cost.    DETAILED DESCRIPTION - A method for using earthworm inter-cultivating to improve garden comprehensive benefit comprises:    (A) selecting planting;    (B) carrying out interplanting according to characteristic of plant, and selecting a plant or seed crops;    (C) selecting a variety of earthworm, and selecting soil condition according to variety of earthworm;    (D) collecting livestock manure, and straw, stacking and fermenting under natural condition, increasing the fermentation speed;    (E) cultivation planting in passage, in which each strain maintain a certain spacing;    (F) introducing earthworm field, putting the fermented livestock manure and straw in cultivation bed, where height is 15-30 cm, growing and breeding, when the temperature is too high, covering weeds or straw in the cultivation bed, sprinkling, and controlling soil humidity at 35-55%; and    (G) harvesting plant, at the same time, harvesting the earthworm for direct sale or drying.