Objective To investigate the clinical characteristics,diagnosis and treatment of pelvic abscess complicated with septic shock.Methods The clinical symptoms,laboratory tests,surgical procedures,and prognosis were analyzed retrospectively for 9 patients with pelvic abscess complicated with septic shock.All the patients were treated in the Second Affiliated Hospital of Soochow University from August 2009 to March 2017.Results High fever and abdominal pain were reported in all the 9 patients,associated with hypotension,cardiac,pulmonary and renal dysfunction,and other symptoms.Eight patients were referred to ICU after early volume resuscitation,antimicrobial treatment,surgery or puncture.These 8 patients finally survived.The remaining one patient experienced multiple organ failure,disseminated intravascular coagulation,and extensive bleeding during treatment,and died finally.Conclusions Early diagnosis,adequate volume resuscitation,antimicrobial therapy,appropriate vasoactive drugs,and timely surgical removal of abscess are important for improving the survival of patients with pelvic abscess and septic shock.