The invention relates to a Chinese medicine for strengthening spleen, eliminating dampness and treating gastroptosis and an extraction method thereof. The Chinese medicine consists of the following medicinal materials in part by weight: 8 parts of largetrifoliolious bugbane rhizome, 20 parts of astragalus, 10 parts of largehead atractylodes rhizome, 20 parts of cinnamomvine, 10 parts of tuckahoe,10 parts of Chinese angelica, 6 parts of bupleurum, 6 parts of turmeric root-tuber, 12 parts of turtle shell, 5 parts of immature bitter orange, 5 parts of polygonum multiflorum thunb., 10 parts of common macrocarpium fruit, 10 parts of medlar, 4 parts of American ginseng, 8 parts of Chinese date, 5 parts of costustoot, 8 parts of cuttlebone and 8 parts of yanhusuo. The extraction method comprises the following steps of: weighing the medicinal materials in the weight part, adding water, and decocting for 2 to 3 times; filtering respectively, and mixing filtrate; and concentrating the filtrateto obtain an extract. Clinical tests prove that the Chinese medicine can be used for strengthening spleen, eliminating dampness and treating gastroptosis and is safe and effectively; and the extraction method is simple, convenient, easy and environment-friendly, and is suitable for production and clinical application.