The symptoms of yellowing leucorrhea and lower back pain may be caused by the following factors: 1. It may be caused by chronic cervicitis, such as cervical hypertrophy, sodium cervical nuchal translucency, etc. In addition to the symptoms of yellowing leucorrhea and lower back pain, patients usually have symptoms such as small abdominal cramps; 2. The pelvic tissue will be congested and will not only secrete a lot of inflammatory mucus, but also stimulate the surrounding tissues, causing the symptoms of yellowing leucorrhea and lumbar pain. Patients are suggested to go to the hospital for gynecological ultrasound, secretion examination, cervical screening and other related examinations in time to clarify the cause and then treat the symptoms.