The Clinical Effect of Fuke Qianjin Capsule on Chronic Pelvic Pain Caused by Pelvic Inflammation

Inclusion Criteria: * Subject is a female between the age of 18 and 50. * Subject with a history of pelvic inflammatory disease suffered from one of the symptoms below and one of the signs below: symptoms:1.lower abdominal distension or pain;2.lumbosacral soreness. signs:1. enlarged,cable strip-like fallopian tube with mild tenderness palpated on one side or both sides of the uterine;2.restricted movement or adhesion fixed of the uterine;3.the sacral ligaments thicken and harden with mild tenderness. * Subject VAS score of pelvic pain ≥4 * Subject without fertility requirements in 2 months * Subject provides written informed consent. Exclusion Criteria: * Subject underwent recurrent urinary system infection or interstitial cystitis * Subject underwent irritable bowel syndrome * Subject has other complications in addition to chronic pelvis inflammation diseases leading to chronic pelvic pain,such as gynecological malignant disease,irregular vaginal bleeding, endometriosis,adenomyosis,ovarian neoplasm with a diameter \>5cm by ultrasound * Subject is pregnant or lactating. * Subject has a severe systemic disease, such as cardiovascular system * Subject has a history of malignancy or radiotherapy. * Subject has undergone any chronic pelvic pain treatment including antibiotics,paregoric,physiotherapy or any other related treatment within 1month prior to randomization. * Subject has mental disorder incapable of elementary cooperations. * Subject has an allergic history to the experimental drug. * Subject has participated in other clinical researches of medicine within 1month prior to randomization.