Metronidazole tablets can be used to treat gynecological inflammation caused by anaerobic bacterial infection. Metronidazole belongs to nitroimidazole antibiotics, metronidazole can treat trichomoniasis, bacterial vaginosis, cervicitis, pelvic inflammatory disease and other gynecological inflammation caused by anaerobic infections, but for the vulvovaginal pseudomycosis and other aerobic bacterial infections do not play a big role. Allergic to metronidazole and contraindicated in the first trimester of pregnancy, nausea, vomiting, loss of appetite, headache, dizziness and other adverse reactions may occur after taking metronidazole tablets, it is recommended to take it after meals. For the occurrence of vulvar itching, vaginal discharge abnormalities consider gynecological inflammation, it is recommended to go to the hospital for gynecological and vaginal secretion examination, to clarify the cause, and active treatment. The above drugs should be given under the guidance of a doctor to standardize the treatment.