NOVELTY - Preparation of nutrient fertilizer involves mixing and grinding raw materials comprising pigeon manure powder, rabbit manure powder, broomcorn cake powder, colza cake powder, tomato stem and leaf powder, carrot leaf powder, wheat bran powder, peanut shell powder, bone powder, chicken manure, sesame cake powder, pumpkin powder, safflower, pine powder, vanilla powder, onion powder and radix aconiti; stacking, continuously fermenting, and repeatedly turning while adding excrement and water; and molding fermented materials into fertilizer blocks, pressing, and compacting.    USE - Method for preparing nutrient fertilizer used for butterfly orchid (claimed).    ADVANTAGE - The method is simple and raw materials are easily available. The fertilizer is rich in different nutrients and not easily broken, has low cost, and promotes rapid growth and development of orchid having large bright flowers and strong disease preventing performance.    DETAILED DESCRIPTION - Preparation of nutrient fertilizer involves mixing all raw materials for 300 minutes; grinding in 2% granule pulverizer; stacking ground mixture in fermentation tank, compacting and tightly covering with thick plastic cloth, and hermetically fermenting for 50 hours; turning while uniformly adding excrement and water at ratio of 1:0.3, compacting and tightly covering with thick plastic cloth, continuously fermenting for 50 hours at 70 degrees C, and turning 5 times in 50 hours while adding excrement and water at ratio of 1:0.3 per turning; and putting fermented materials in circular mold with height of 18 cm and width of 12 cm, molding into fertilizer blocks, pressing, and compacting. When turning, the upper layer is turned to lower layer, the inner layer is turned to outer layer, the lower layer is turned to upper layer, and the outer layer is turned to inner layer. The fertilizer comprises (wt.%) pigeon manure powder (10-12), rabbit manure powder (6-8), broomcorn cake powder (8-12), colza cake powder (7-9), tomato stem and leaf powder (11-15), carrot leaf powder (8-10), wheat bran powder (5-7), peanut shell powder (3-5), bone powder (8-11), chicken manure (3-6), sesame cake powder (1-3), pumpkin powder (6-8), safflower (7-9), pine powder (0.1-0.3), vanilla powder (0.2-0.4), onion powder (0.1-0.3), and radix aconiti (0.2-0.4).