The condition of uterine fibroids with yellow leukorrhea with blood may be related to cervicitis, endometritis and the symptoms of uterine fibroids itself. 1. Cervicitis: when uterine fibroids are complicated with cervicitis, it may be due to pathogenic bacterial infection or cervical cell damage, long-term stimulation, etc., which will result in the increase of leukorrhea with yellowish or grayish color and the symptom of blood filaments. 2. Endometritis: when uterine fibroids complicate endometritis, it may be infected with bacteria, chlamydia, mycoplasma and so on, which may destroy the endometrial tissue, resulting in the symptom of yellowish leukorrhea with blood, and may be accompanied by lower abdominal pain, fever and chills and other symptoms. 3. Uterine fibroid: it is considered to be related to genetic factors and sex hormone level disorder in the body, and the patient will have abnormal vaginal secretion due to the disease itself, which is manifested as increased leukorrhea, especially yellow pus-like leukorrhea when infection occurs. If the fibroid is ulcerated and necrotic, there may also be symptoms of blood, or bloody or pus and blood vaginal fluid. Fibroids with yellow leukorrhea with blood may also have other causes, should go to the hospital in a timely manner to improve the relevant examination, under the guidance of professional doctors to clarify the cause of the disease, and actively targeted treatment, so as not to delay the condition.