The invention relates to a traditional Chinese medicine preparation method for treating chronic pelvic inflammatory diseases, which belongs to the technical field of traditional Chinese medicine preparation methods. The chronic pelvic inflammatory diseases can inflame a certain organ as well as several organs simultaneously and can possibly result in the infertility, and treating the disease withantibiotics has large side effects. The traditional Chinese medicine preparation method has the technical proposal that nutgrass galingale rhizome, combined spicebush roots, costustoot, green tangerine peels, magnolia officinalis, fruit of villous amomum, cardamom, Szechwan chinaberry fruit, nardostachyos roots and rhizome, citron fruit peels, finger citron, Chinese eaglewood, lychee seeds, Chinese wolfberry, Szechwan lovage rhizome, danshen roots, peach seeds, safflower, motherwort herbs, hiraute shiny bugleweek herbs, common burreed rhizome, zedoary turmeric, turmeric root-tubers, turmeric,rhizoma corydalis, trogopterus dung, achyranthes roots and liquorice roots are taken to be put into 1500ml water and immersed for 30 minutes, then are decocted with mild fire, the decocted medicine liquid is filtered by gauge to remove the herb residue and to obtain 600ml medicine liquid, which is the traditional Chinese medicine liquid for treating the chronic pelvic inflammatory diseases. The invention has the advantages that the traditional Chinese medicine is simple in preparation, the prepared Chinese medicine liquid has small side effects, and the untoward effect or allergic effect and the like caused by the application of western medicines are avoided.