The invention discloses a traditional Chinese preparation for curing dysfunctional uterine bleeding and a preparing method, and belongs to the traditional Chinese medicine field. The raw materials of the effective components of the traditional Chinese preparation comprise red-knees herb, citronella grass, melastoma dodecandrum, wilson begonia rhizome, curly bristlethistle herb, root of asiatic currant, lysimachia barystachys, mappianthus iodoies, phellinus, bergenin, dried ginger, purslane speedwell herb, woolly blue curls, centranthera grandiflora, panax notoginseng and viscid germander. According to the traditional Chinese preparation, the compatibility of medicines is good, the complement of the medicines is achieved, the functions of stasis dredging and dampness resolving, stagnate scattering and hemostasis, blood prompting and hemostasis, blood nourishing and enriching, heat clearing and dieresis promoting, nourishing and strong and spleen warming and cold dispelling are achieved, and the combination of the medicines can directly reach the diseased region. The advantages of being fast in effect, high in curing rate, free of toxic effect, and safe and convenient are provided for curing of the symptoms such as the dysmenorrhea, stomachache, concentration of the blood, malfunction of viscera, the bleeding tendency, bleeding after the post-menopause, the lutein cyst and the dimorphic temperature which are caused by the dysfunctional uterine bleeding. The traditional Chinese preparation has the advantages of being cheap in price, easy to prepare, and widely applicable to the clinic treatment of the dysfunctional uterine bleeding.