There are many reasons for yellowish watery leucorrhea, and you cannot judge it as cancer simply by the color and texture of leucorrhea. Most of cervical cancer, ovarian cancer and endometrial cancer have irregular bleeding or contact bleeding. Examination will reveal cervical erosion-like changes or superfluous organisms, and occupancy in the uterine or abdominal cavity, which are considered to have cancer. The normal leucorrhea is white, odorless or milky white, and suddenly becomes yellow and watery, which does not exclude vaginitis or cervicitis, and the chance of cancer is not high. If it is accompanied by itching, odor, vulvovaginal redness and swelling, it is considered inflammation. Don’t make wild guesses, you can go to the hospital for gynecological examination first, if necessary, cervical exfoliation cytology, ultrasound examination, white belt routine examination, HPV virus examination to confirm the diagnosis, usually pay attention to hygiene, eat less cold food, so as not to cause abnormal leucorrhea.