Yellow leukorrhea during breastfeeding may be caused by vaginitis, cervicitis, pelvic inflammatory disease and other gynecological diseases, to go to the hospital to check the cause of the disease, and then through hygiene and cleanliness, medication, physical therapy to improve the symptoms. 1. Vaginitis: breastfeeding by the body’s hormone levels, delayed menstrual recurrence, the body’s self-recovery, self-cleaning role of the decline, prone to vaginitis, such as bacterial vaginosis will be accompanied by yellowing of the leukorrhea, usually pay attention to perineal cleaning care, under the guidance of the doctor with metronidazole, tinidazole and other medications. 2. Cervicitis: Inadequate hygienic care during breastfeeding, post-partum uterine prolapse, decreased immunity, premature coitus and other factors may cause cervicitis, patients with cervicitis will also have yellowish leukorrhea, according to the different conditions of the use of antibiotic treatment, physical therapy. 3. Pelvic inflammatory disease: poor hygiene during breastfeeding, lower reproductive tract infections may cause pelvic inflammatory disease, pelvic inflammatory disease will also have the phenomenon of yellowish leukorrhea, the use of antibiotic treatment under the guidance of the doctor, if necessary, surgical treatment. The yellowish leukorrhea during breastfeeding is accompanied by other symptoms, it is recommended to consult a doctor in time for active treatment.