The invention discloses special organic fertilizer for Hainan fragrant rosewood. The organic fertilizer comprises raw materials in parts by weight as follows: seafood waste, animal dung, tea waste, egg shells, soya bean meal, attapulgite, chillies, bread crumbs, alpha-amino acid, a molasses fermentation broth, oilseed rape shells, loofah sponges, corn stigma, peanut coat, winter bamboo shoot shells, corn bran, walnut shells, hazelnut shells, peanut hulls, ginger peel, coconut shells, durian shells, longan shells, litchi shells, garlic skin, cactuses, areca nuts, Japanese dock root, chinaberry tree bark, pumpkin seeds, willowleaf swallowwort rhizome, rhizoma arisaematis, divaricate saposhnikovia root, solomonseal rhizome, , benzoin, aquilaria sinensis, villous amomum fruit, panax notoginseng, wolfiporia extensa, sophora flavescens, mint and Chinese pulsatilla root. The invention further discloses a preparation method of the special organic fertilizer for the Hainan fragrant rosewood. The organic fertilizer for the Hainan fragrant rosewood contains rich organic matters, improves the drought resistance, cold resistance and disease resistance, and remarkably increases the seedling height, the ground diameter, the root length and the biomass.