Summary of case history,　Patient Liu was hospitalized on June 28, 2019 because of "abdominal pain and mild abdominal distension for 2 days after egg retrieval". On June 12, 2019, the patient underwent superovulation induction under the antagonist scheme at the reproductive and genetic center of the Affiliated Hospital of Shandong University of traditional Chinese medicine. On June 25, 2019, the patient underwent transvaginal ovarian puncture under the guidance of B-ultrasound, and 34 eggs were obtained. Abdominal pain accompanied by mild abdominal distension and progressive aggravation occurred one day after egg retrieval, so they were admitted to the hospital for treatment.,Symptoms and signs,　Abdominal pain, mild abdominal distension, no nausea and vomiting, no chest tightness and palpitation, no vaginal bleeding, no fever, poor sleep, two bowel movements. The tongue is light red, the moss is thin and white, and the pulse is thin and smooth.,TCM disease and syndrome,　Abdominal distension (spleen and kidney deficiency syndrome),TCM treatment,　Tonifying kidney and spleen, promoting water and eliminating dampness,Western medicine diagnosis,　Ovarian hyperstimulation syndrome,Therapeutic methods,　Integrated Chinese and Western medicine treatment,Clinical outcomes,　After 4 days of treatment with Chinese and Western medicine, the symptoms of abdominal pain and distension disappeared and the patient was discharged smoothly.