NOVELTY - Aquiculture fertilizer comprises 20-30 pts. wt. of urea, 10-15 pts. wt. of potassium phosphate, 16-23 pts. wt. of ammonium phosphate, 40-50 pts. wt. of rice bran, 0.5-1.5 pts. wt. of Chinese medicinal herb additive and 1-3 pts. wt. of probiotics, where the probiotics comprise Lactobacillus, Bifidobacterium adolescentis, Lactobacillus acidophilus, Actinobacteria and yeast, and Chinese herbal medicine additive comprises radix sophorae flavescentis, Chinese gall, Euphorbia humifusa, Houttuynia cordata and folium artemisiae argyi.    USE - Aquiculture fertilizer.    ADVANTAGE - The aquiculture fertilizer can be simply and rapidly prepared with good bactericidal effect in an eco-friendly manner.    DETAILED DESCRIPTION - Aquiculture fertilizer comprises 20-30 pts. wt. of urea, 10-15 pts. wt. of potassium phosphate, 16-23 pts. wt. of ammonium phosphate, 40-50 pts. wt. of rice bran, 0.5-1.5 pts. wt. of Chinese medicinal herb additive and 1-3 pts. wt. of probiotics, where the probiotics comprise 5-15 pts. wt. of Lactobacillus, 1-5 pts. wt. of Bifidobacterium adolescentis, 5-13 pts. wt. of Lactobacillus acidophilus, 7-15 pts. wt. of Actinobacteria and 16-22 pts. wt. of yeast, and Chinese herbal medicine additive comprises 10-20 pts. wt. of radix sophorae flavescentis, 15-26 pts. wt. of Chinese gall, 1-5 pts. wt. of Euphorbia humifusa, 20-30 pts. wt. of Houttuynia cordata and 18-26 pts. wt. of folium artemisiae argyi. An INDEPENDENT CLAIM is included for preparing aquiculture fertilizer comprising (a) weighing radix sophorae flavescentis, Chinese gall, Euphorbia humifusa, Houttuynia cordata and folium artemisiae argyi and then crushing into powder, adding into 3 times of water, extracting at temperature of 80 degrees C for 3 hours to obtain the Chinese medicinal herbal extracting liquid and then concentrating, spraying and drying to obtain the Chinese medicinal herb additive, (b) urea, potassium phosphate, ammonium phosphate, rice bran, and Chinese herbal medicine additive and then fermenting into a fermenting tank, adding the fermented raw material into 50% of water and then mixing with Lactobacillus, Bifidobacterium adolescentis, Lactobacillus acidophilus, Actinobacteria and yeast, fermenting at 23-27 degrees C for 8 days and filtering to obtain filter residue, and (c) taking the filter residue and then freezing, drying, crushing and granulating.