Clinical Research Directory

Inclusion Criteria: * Meet the diagnostic criteria for chronic pelvic pain sequelae of pelvic inflammatory disease; * The average VAS score of pain in the week before enrollment is ≥4; * The McCormack scale of physical signs at the time of enrollment is 4 to 12 points (including 4 points and 12 points); * Women aged 18 to 50 (including 18 and 50) with a history of sexual life; * Voluntarily participate in this clinical trial, give informed consent and sign the informed consent form. Exclusion Criteria: * Pelvic inflammatory disease (acute attack); * Pregnant or lactating women, women of childbearing age who are unwilling to take effective measures to prevent pregnancy during the trial and within 6 months after the trial; * Previously diagnosed with cervical intraepithelial neoplasia, primary/secondary dysmenorrhea, pelvic stasis syndrome and chronic pelvic pain caused by other non-pelvic inflammatory diseases; * Complicated with specific vaginitis such as vulvovaginal candidiasis, trichomonas vaginitis, bacterial vaginosis; * Gynecological tumors (maximum diameter of uterine fibroids greater than 3cm and submucosal fibroids), endometriosis, adenomyosis, acute cervicitis, tuberculous pelvic inflammatory disease, interstitial cystitis and other diseases related symptoms; * Placement of intrauterine device in the past 3 months; absence of uterus and bilateral appendages; * Received related treatment or took drugs with similar functions and indications within 14 days before the introduction; * Liver function: ALT or AST\>1.5 times the upper limit of normal value；Renal function：Scr\>1.0 times the upper limit of normal value; * Serum CA125 and erythrocyte sedimentation \> 1.1 times the upper limit of normal value. * Combined with serious cardiovascular, cerebrovascular, hematopoietic system and other serious diseases; * Have an allergic history to the experimental drug; * Have a long history of alcoholism or drug abuse; * Intellectual disabilities or mental disorders; * Participated in other clinical trials within the past 3 months; * The investigator believes that it is not suitable to participate in this clinical trial.