Pelvic fluid is physiologic pelvic fluid and pathological pelvic fluid. If it is physiological pelvic effusion will not lead to abdominal pain, if it is pathologic pelvic effusion will cause abdominal pain, or even gradually aggravated, severe pain sensation should be taken seriously, actively consult the doctor, the cause of pathologic pelvic effusion may be pelvic inflammation, ectopic pregnancy, corpus luteum rupture, malignant tumors and other diseases, it is necessary to carry out pelvic ultrasonography, gynecological internal diagnostic examination, urine pregnancy test in a timely manner, in order to avoid delaying the Treatment. In the case of pelvic inflammation, antibiotics can be used in conjunction with physical therapy, and in the case of ectopic pregnancy or intra-abdominal bleeding caused by rupture of the corpus luteum, surgical treatment is required if necessary. Women in ovulation, menstruation, pregnancy will exist a small amount of pelvic fluid, is a normal physiological phenomenon, do not need to be treated, usually should pay attention to personal hygiene, develop good hygiene habits, reduce the occurrence of gynecological diseases.