The invention discloses a novel Chinese medicinal composition for treating abnormal vaginal discharge and a preparation method thereof. The Chinese medicinal composition mainly comprises the following raw material medicaments: Indian buead, cherokee rose fruit, raspberry, turtle shell, tortoise plastron, lily, Mongolian snakegourd root, white paeony root, Chinese leek seed, south dodder seed, cynomorium coccineum, tokay, oyster, campanumaea pilosula, raw astragalus, common yam rhizome, oriental waterplantain rhizome, plantain seed, amur corktree bark, golden thread, baical skullcap root, honeysuckle flower, figwort root, gypsum, anemarrhena asphodeloides bunge, cuttlebone and the like. The Chinese medicinal composition can be prepared into any common oral preparation by the conventional Chinese medicinal preparation method. The Chinese medicinal composition can obviously improve leukorrhagia, leucorrhea with reddish discharge, sticky leucorrhea, and symptoms such as cloudy yellow urine, lumbago and limp knees, fatigued spirit and lack of strength and the like caused by the diseases. The Chinese medicinal composition has the advantages of exact clinical effects, obvious curative effect, quick response, low cost, basically no toxic or side effects and the like.