The invention discloses a traditional Chinese medicine lotion for treating pruritus vulvae. The traditional Chinese lotion is prepared from the following raw material medicines in part by weight: 15-45 parts of lightyellow sophora root, 5-15 parts of phellodendron amurense, 5-15 parts of rhizoma atractylodis, 10-30 parts of raw radix stemonae, 5-15 parts of pepper, 5-15 parts of aluminium potassium sulfate, 10-30 parts of cnidium fruit, 5-15 parts of cheese nitrate, 5-15 parts of angelica dahurica, and 10-30 parts of mugwort leaves. During the treatment, a defined amount of liquid medicine is taken to fumigate and wash the vulvae, each time for 20 minutes and twice every day, and one week is a treatment course; the lotion can not be used during menstrual period; when the lotion is used, the vulvae is kept clean and sanitary, and the underpants need to be changed frequently; and for a mild case, 2-3 courses of treatment are needed for healing, and for a serious case, 5-6 courses of treatment are needed for healing. Years of clinical application proves that the curative rate of the drug provided by the invention reaches more than 95%. The traditional Chinese medicine lotion has the advantages: the formula is simple, the cost is low, the medicinal materials are easily obtained and are low in price, no side effects are generated, and the lotion can be readily accepted by patients.