The invention discloses a traditional Chinese medicine composition for treating gynaecological diseases and preparation technology thereof. The traditional Chinese medicine composition is granules or tablets prepared from Millettia reticulate, motherwort, Chinese pyrola herb, Chinese rose flower, rose, motherwort fruit, Eupatorium japonicum, Nutgrass Galingale Rhizome, Salvia miltiorrhiza, Dangshen, Paeonia lactiflora, Chinese angelica, Chuanxiong rhizome, Curcuma aromatica, Rhizoma Zedoariae, cape jasmine and Chinese pink herb which are taken as raw materials and subjected to processing and effective ingredient extraction. Various medicines are compatible; the treatment effect is good; and the diseases are difficult to relapse. The traditional Chinese medicine composition utilizes the comprehensive functions of various components to treat the gynaecological diseases, has the efficacies of clearing heat and promoting diuresis, regulating qi and menstruation, activating the blood and stopping pain, and nourishing the blood and smoothing the liver, and is mainly used for treating gynecological inflammations such as irregular menstruation, dysmenorrheal, vulvitis. colpitis, and acute and chronic cervicitis of women, and symptoms such as leukorrhea with reddish discharge, small menstrual amount, blood clots, hypogastralgia and pruritus vulvae.