The invention provides a traditional Chinese medicinal perineal care bag for perineal care. The traditional Chinese medicinal perineal care bag is prepared by soaking sterile large cotton swabs serving as a base material into a traditional Chinese medicinal liquid, wherein the traditional Chinese medicinal liquid is prepared from the following raw materials: radix achyranthis bidentatae, semen coicis, rhizoma alismatis, white peony root, rhizoma atractylodis, liquorice, rhizoma smilacis glabrae and dandelion. The traditional Chinese medicine composition provided by the invention is mainly prepared from the medicines capable of inducing diuresis for treating stranguria, clearing damp, promoting diuresis, resisting bacteria and diminishing inflammation, wherein the radix achyranthis bidentatae and the dandelion are the medicines for inducing diuresis for treating stranguria; the semen coicis, the rhizoma alismatis and the rhizoma atractylodis are the medicines for clearing damp and promoting diuresis; and the white peony root, the liquorice and the rhizoma smilacis glabrae have the effects of resisting bacteria and diminishing inflammation. The prepared one-off perineal care bag is convenient to use, and has the efficacies of inducing diuresis for treating stranguria, resisting bacteria and diminishing inflammation, and is used for preventing damp and heat morbid leukorrhoea or urinary tract infection of inpatients.