Ms. white liquid after urination may be caused by urinary tract infection, kidney abscess, vaginal inflammation and other reasons. 1. Urinary tract infection: such as gonorrhea urethritis, can be accompanied by frequent urination, urinary urgency, urinary pain, urinary discomfort and other symptoms, but also can be seen after urination urethra discharge a lot of purulent secretions, examination can be seen at the urethral opening of the mucous membrane red and swollen, combined with the typical clinical manifestations and the history of unclean sexual intercourse, urethral secretion smear can be a clear diagnosis. 2. Kidney abscess: mainly manifested by systemic symptoms of infection, such as high fever, chills, lumbar pain and accompanied by a mass, but also after urination with purulent liquid outflow, combined with ultrasonography, CT and so on can assist in the diagnosis. 3. Vaginal inflammation: if combined with trichomoniasis vaginitis, it can also manifest as white liquid outflow after urination, which is caused by the increase of vaginal secretion, and can also be accompanied by vulvar itching, which can be clearly diagnosed by secretion examination. When a woman has white liquid after urination, there may be other reasons, it is recommended to consult a doctor in time.