The invention relates to a composite green nutritional soil of kaffir lily flowers and the using method thereof. The invention is characterized in that the composite green nutritional soil is made of following raw materials: oak
leaf mold, pine needles, grass peats,
bark specks, egg shells, gravels, bone meals, Hemp seeds and castor seeds. The oak leaves are crushed to be in the shape of fragment; the Hemp seeds and the castor seeds are stir-fried by an iron pan, the bone meals are ground into fine grains, and the egg shells are carried out fermenting treatment in an airtight container after being crushed. The using method is as follows: the raw materials are taken according to the weight component, the oak leaves peats, pine needles, grass peats,
bark specks, egg shells and gravels are mixed and evenly stirred so as to make the fabricated soil; a layer of fabricated soil is paved at the bottom of a flower pot; the
subsoil is fertilized; then the fabricated soil is put in the flower pot, and the surrounding soil at the periphery of the flower pot is fertilized. The invention serves as both the nutritional soil of the kaffir lily and the
fertilizer, can make the roots and the leaves of the kaffir lily luxuriant, and make the veins thereof raised, increase the brightness, the
hardness and the thickness, and make the kaffir lily have long florescence, bright color and high
disease resistance. The invention also can be applied to the cultivations of various orchids.