If there is always water coming out of the lower body is common for the following reasons, such as bacterial vaginosis, fallopian tube cancer, vaginal vesicovaginal fistula, cervical cancer, endometrial cancer can lead to the phenomenon of vaginal bleeding, must do a detailed examination, combined with the clinical history, laboratory examination, gynecological examination, ultrasound, if necessary, combined with the gynecological oncology of the three laboratory tests and diagnostic curettage results will be able to make a preliminary diagnosis. The preliminary diagnosis can be made by combining the clinical history, laboratory examination, gynecological examination, ultrasound examination and the results of diagnostic scraping. According to the results, appropriate treatment must be given, and it is also recommended that women should do gynecological examination once a year even if there is no discomfort to know whether there is inflammation or gynecological tumor, and find abnormal problems and deal with them in time.