The invention discloses a quality control method of a medicinal preparation for treating gynecological inflammation and hysteromyoma. The quality control method of the capsules comprises character, identification, examination and content detection, wherein the identification is to identify bittersweet herb, spreading hedyotis herb, sowthistle tasselflower herb, asiatic pennywort herb and herb of common goldernrod; the content measurement is to measure the chlorogenic acid content and total flavones content of the preparation by using high performance liquid chromatography and UV spectrophotometry respectively. The quality control method of the invention is scientific, reasonable, high in accuracy and high in repeatability, can completely and effectively control the quality of the capsules for treating gynecological inflammation and hysteromyoma to assure the clinic effectiveness of the preparation.