NOVELTY - Biological organic fertilizer comprises muyu stone (45-55 parts), straw (55-75 parts), chicken manure (35-45 parts), duck manure (25-35 parts), seed of Chinese dodder (5-12 parts), rui ling grass (8-15 parts), medical stone (25-32 parts), sludge (25-60 parts), radix sophorae flavescentis (2-3 parts), sawdust (22-50 parts), bentonite (15-30 parts), wine lees powder (26-32 parts), animal bone powder (42-58 parts), Perilla (18-34 parts), sweet wormwood (15-30 parts), onion (10-24 parts), oriental wormwood (12-26 parts), honeysuckle (15-32 parts), and bagasse (25-45 parts).    USE - Biological organic fertilizer.    ADVANTAGE - The biological organic fertilizer is eco-friendly, and improves vegetable quality and soil structure.    DETAILED DESCRIPTION - Biological organic fertilizer comprises muyu stone (45-55 parts), straw (55-75 parts), chicken manure (35-45 parts), duck manure (25-35 parts), seed of Chinese dodder (5-12 parts), rui ling grass (8-15 parts), medical stone (25-32 parts), sludge (25-60 parts), radix sophorae flavescentis (2-3 parts), sawdust (22-50 parts), bentonite (15-30 parts), wine lees powder (26-32 parts), animal bone powder (42-58 parts), Perilla (18-34 parts), sweet wormwood (15-30 parts), onion (10-24 parts), oriental wormwood (12-26 parts), honeysuckle (15-32 parts), bagasse (25-45 parts), microbial inoculum (4-6 parts), shrimp (30-40 parts), wheat bran (34-46 parts), tea (45-55 parts), quartz (10-25 parts), and shaddock skin (45-65 parts). An INDEPENDENT CLAIM is included for a method for preparing biological organic fertilizer, which involves:    (A) pulverizing muyu stone, medical stone and quartz to obtain particles having diameter of 1.5-2.5mm;    (B) pulverizing shrimp, shaddock skin and tea leaves by 100-200 mesh sieve to obtain powder;    (C) pulverizing chicken manure, duck manure and sludge in pulverizer;    (D) adding straw and microbial inoculum to obtained pulverized material;    (E) adding water to obtained mixture;    (F) fermenting obtained mixture for 14 days at 50-55 degrees C;    (G) soaking pulverized dodder, tuckahoe, radix sophorae flavescentis, Perilla, sweet wormwood, onion, herba artemisiae capillaris and honeysuckle in water for 7-10 hours;    (H) extracting soaked product for 20-25 minutes;    (I) separating extract and residue;    (J) mixing obtained residue with obtained muyu stone, medical stone and quartz particles;    (K) adding saw dust, bentonite, wine, animal bone powder and bagasse to obtained fermented material;    (L) fermenting obtained mixture for 4-5 days;    (M) pulverizing obtained material by 80-100 mesh sieve; and    (N) drying obtained material to obtain the final product.