The invention provides a traditional Chinese medicine preparation for treating metaphase thyroid tumor, wherein the traditional Chinese medicine preparation is prepared from the following traditional Chinese medicine raw materials by weight: 10 parts of rhizoma dioscoreae bulbiferae, 15 parts of prunella vulgaris, 50 parts of milkvetch root, 25 parts of codonopsis pilosula, 15 parts of atractylodes macrocephala, 25 parts of angelica sinensis, 15 parts of radix paeoniae rubra, 15 parts of seaweed, 15 parts of kelp, 50 parts of oyster, 25 parts of ligusticum chuanxiong hort, 10 parts of pangolin, 50 parts of radix rehmanniae preparata, 12 parts of rhizoma sparganii, 12 parts of curcuma zedoaria, 10 parts of cyperus rotundus, 10 parts of semen persicae, 15 parts of fructus toosendan, 6 parts of safflower, 10 parts of Chinese honeylocust spine, and 10 parts of tripterygium wilfordii. According to the present invention, the is the nature raw material traditional Chinese medicine, does not contain any chemical additives, has effects of liver soothing, qi regulating, lump softening and knot loosening, blood circulation activation, blood stasis removing and the like, has advantages of complete thyroid tumor treatment, good treatment effect, no toxic-side effect, quick recovery, less recurrence, short treatment cycle, low cost, rich sources of selected traditional Chinese medicine bulk drugs, and easy promotion application.