The nature and quality of leukorrhea can reflect the health status of the female reproductive system, as well as the response to the ovarian endocrine function, women’s leukorrhea is like clear snot, the common causes mainly include: 1, bacterial vaginitis, when suffering from bacterial vaginitis, the patient’s leukorrhea is thinner in texture, just like clear snot, grayish in color, and has a fishy odor similar to stinky fish.2, ovarian endocrine dysfunction, some of the Women due to ovarian secretion of estrogen and progesterone level imbalance, may lead to increased exudate of the vaginal wall, manifested as leukorrhea such as clear snot-like, without obvious vulvar itching, odor and other symptoms. 3, gynecological oncological diseases, when women suffer from malignant tumors of the ovary, fallopian tube malignant tumors, there are no typical clinical symptoms in the early stage, many patients are manifested as leukorrhea abnormalities, appearing in leukorrhea, the amount of leukorrhea obviously increased, leukorrhea thin like clear nasal mucus, and some patients may be accompanied by different degrees of abdominal pain.