The invention discloses a traditional Chinese medicine decoction for treating nocturnal polyuria, which is prepared from the following Chinese medicinal materials in the weight ratio: 7 parts of celery, 7 parts of bamboo orchid, 7 parts of melon seeds, 7 parts, 6 parts of Dengtai leaves, 12 parts of bupleurum, 8 parts of golden cherry, 14 parts of tanned fruit, 9 parts of sedum notoginseng, 6 parts of Sanpifeng, 8 parts of herb, 6 parts of polygala, 6 parts of calamus , 6 parts of keel, 6 parts of toad oil, 6 parts of lotus seeds, 25 parts of aconite, 5 parts of yellow pepper, 6 parts of vinegar tortoise shell, 5 parts of green onion, 12 parts of an umbrella, 10 parts of Umbellifera mellifera, Alisma 5 parts, 5 parts of Yujiuhua, 5 parts of wild sesame, 5 parts of cake, 6 parts of popcorn, 6 parts of stachyus. Clinical experiments have proved that the present invention helps to treat nocturnal polyuria through the reasonable compatibility of the Dai medicine Tie Dao Mu Ye and other Chinese herbal medicines, and can effectively reduce complications and achieve good overall regulation and long-term effects.