Watery leucorrhea without odor may be a normal physiological phenomenon, or it may be an abnormal phenomenon due to disease. It is recommended that women go to the gynecological department of the hospital, under the guidance of the doctor for routine leucorrhea, gynecology, ultrasound, CT and other tests to clarify the diagnosis and treat the cause. I. Physiological phenomenon: usually women will have increased amount of leucorrhea before ovulation and menstruation, which is watery and not accompanied by odor. This is due to the peak of estrogen secretion during ovulation and pelvic congestion before the onset of menstruation, which is a normal phenomenon and generally requires no special treatment. Pathological phenomena: 1. Fallopian tube tumor: early stage is mostly asymptomatic, when the lesion develops, vaginal fluid discharge may appear, yellow watery liquid, sometimes serous, odorless, the amount varies, the discharge is intermittent. Surgery, radiotherapy, chemotherapy and other treatment methods can be adopted. Commonly used surgical methods include tumor cell reduction, lymph node dissection, etc.; 2. Endometrial cancer: In the early stage, it can be manifested as thin white discharge or a small amount of bloody leukorrhea, which is generally odorless, and as the disease progresses, there can be purulent discharge with odor after combined infection. Treatment is mainly surgery, supplemented by radiotherapy and chemotherapy to improve the patient’s prognosis. Precautions In daily life, women should pay attention to sexual life and menstrual hygiene, change underwear regularly, wash vulva with warm water every day, keep vulva clean and dry to prevent the occurrence of infection. If the symptoms of watery leucorrhea persist without relief, women are advised to go to the hospital to identify the cause of the disease and treat it according to the test results.