The invention discloses a Chinese herbal medicine organic fertilizer for kumquat and a preparation method thereof and belongs to the technical field of organic fertilizers. The Chinese herbal medicineorganic fertilizer for kumquat is prepared from the following raw materials in parts by weight: 5-15 parts of monoammonium phosphate, 5-15 parts of ammonium molybdate, 10-20 parts of potassium chloride, 6-16 parts of pig bone powder, 10-20 parts of potassium mineral powder, 5-15 parts of urea, 5-15 parts of zinc sulfate, 5-15 parts of magnesium sulfate, 4-12 parts of boric acid and 10-20 parts ofa Chinese herbal medicine preparation, wherein the Chinese herbal medicine preparation is prepared from the following raw materials in parts by weight: 10-20 parts of leatherleaf mahonia, 5-15 partsof artemisia anomala, 10-20 parts of hairyvein agrimony, 5-15 parts of tuber fleeceflower stems, 5-15 parts of garden burnet, 4-12 parts of Cyrtomium fortune, 6-16 parts of fructus kochiae, 5-15 partsof sweet wormwood, 6-12 parts of honeysuckle stems, 5-15 parts of quispualis indica and 4-12 parts of azedarach. The Chinese herbal medicine organic fertilizer for kumquat not only can provide a great amount of nutritional elements for growth of kumquat, but also can improve the yield of kumquat and reduce the occurrence rate of plant diseases and insect pests of kumquat remarkably.