The invention relates to a Chinese medicine composition for eliminating dampness and a preparation method thereof, belongs to the technical field of Chinese medicine compositions, and solves the technical problems that the treatment of dampness eliminating products is single and the effect is not obvious, and the long-term use can produce side effects. The Chinese medicine composition is composedof, by weight, 8-12 parts of chicken gold, 8-12 parts of gorgon, 3-7 parts of yam, 3-7 parts of sand kernel, 12-17 parts of poria cocos, 8-12 parts of red beans, 8-12 parts of semen coicis, 3-7 partsof chrysanthemum, 3-7 parts of locust flower, 3-7 parts of inula flower, 3-7 parts of honeysuckle, 3-7 parts of dandelion, 8-12 parts of lily, 8-12 parts of lotus leaf, 8-12 parts of purslane and 8-12parts of root of kuddu vine. The Chinese medicine composition is pure Chinese medicine, can eliminate the human body moisture effectively, has the advantages of quick effect, reliable cure effect, noside effect, uneasy recurrence, and low cost. The medicine is suitable for damp-cold, damp-heat, phlegm-dampness and spleen-dampness and other symptoms.