Leukorrhea purulent yellow, no odor consider vaginitis, cervicitis, pelvic inflammatory disease is more likely, mainly: 1, vaginitis, if the leukorrhea purulent yellow, accompanied by vaginal itching, may be mycoplasma, chlamydia or bacterial infections caused by vaginitis, need to go to the hospital to do routine examination of leukorrhea as well as bacterial culture, diagnosis and targeted treatment, if it is a bacterial vaginosis, you can use metronidazole If it is bacterial vaginitis, you can use metronidazole suppository drug treatment, if it is mycoplasma, chlamydia need to choose drugs according to the results of drug sensitivity; 2, cervicitis, if it is a severe cervical erosion will lead to purulent leukorrhea, may also be accompanied by contact pain and contact bleeding, need to choose treatment according to the condition; 3, pelvic inflammatory disease, in addition to abnormal leukorrhea, often accompanied by pain in the lower abdomen, you can be injected with an intravenous infusion of cephalosporin antibiotics drug therapy.