The invention discloses a novel traditional Chinese medicine composition for treating urinary incontinence and a preparation method thereof. The traditional Chinese medicine composition mainly comprises the following medicinal materials: cherokee rose fruit, tuber onion seed, barbary wolfberry fruit, antler, epimedium herb, Chinese caterpillar fungus, malaytea scurfpea fruit, sharpleaf galangal fruit, Chinese dodder seed, cynomorium songaricum, Chinese yam, tuber fleeceflower root, medlar, Chinese angelica, white paeony root, red-rooted salvia root, campanumaea pilosula, glossy privet fruit, roasted turtle shell, roasted tortoise plastron, Szechuan lovage rhizome, raw astragalus root, medicated leaven and the like. The traditional Chinese medicine composition can be prepared into any common oral preparation according to the conventional traditional Chinese medicine preparation method. The invention can effectively improve symptoms such as urinary incontinence, frequent urination, urine retention, incomplete urination and uroschesis, the clinic curative effect is assured, the curative effect is remarkable, and the traditional Chinese medicine composition can quickly take effect. The traditional Chinese medicine composition also has the advantages of cheapness, nearly no toxic side effect and the like.