The watery vaginal discharge is clinically caused by the following reasons: 1) Recently, local cervical surgery, such as physical therapy, laser therapy, microwave therapy, cryotherapy or cervical laparoscopy, may cause the discharge to be like water, but the discharge has no odor. 2) Caused by cancer of the fallopian tubes. When there is cancer in the fallopian tube, it will be clinically manifested as leucorrhea like water, and there is no odor in the leucorrhea, and a pelvic mass will be found through gynecological examination. 3. It may be clinically caused by cervical cancer or endometrial cancer, once watery leucorrhea is found, it should be analyzed by combining clinical history, gynecological examination and laboratory examination, and then clinically Clinical interventions should be given.