The reason for the yellowing of the leukorrhea is caused by inflammation: 1, vaginitis, if infected with trichomonas vaginitis will lead to yellowing of the leukorrhea, leukorrhea is often foamy, if infected with mycobacterial vaginitis will be yellowing of the leukorrhea and leukorrhea presenting a bean dregs or curd. If the body’s estrogen level is lowered, it is easy to cause vaginal flora imbalance, making the leukorrhea yellow, vaginitis can be accompanied by vaginal itching symptoms. 2, cervicitis, cervicitis is caused by mycoplasma, chlamydia or gonococcal infections, which is easy to cause the leukorrhea yellow, gynecological checkups or contact bleeding during coitus. 3, suffering from other gynecological diseases, such as pelvic inflammatory disease, endometritis, tubal inflammation will appear. The symptoms of yellowish leukorrhea, it is recommended to do the relevant examination, clear diagnosis and active treatment.