The most common clinical cause of blood in the leukorrhea is chronic inflammation of the cervix. When there is local chronic inflammation, the tissue is often relatively brittle, so that the capillaries break down and cause the symptoms of blood in the leucorrhea. Often the patient has increased vaginal discharge, yellowish color and relatively sticky leucorrhea in daily life. In addition, there may be pain in the lumbosacral region, which is caused by chronic cervicitis, and blood in the leukorrhea may also be caused by lesions of the endometrium. For example, endocrine disorders, causing irregular shedding of the endometrium, causing blood in the leucorrhea or inflammation of the endometrium or submucosal fibroids, endometriosis and so on, may cause this symptom clinically, it is recommended to do a detailed examination and then give symptomatic treatment according to the results.