Metronidazole is a commonly used drug in gynecology, which is an anti-anaerobic drug and can also treat trichomonas infections. Clinical aspects of the application of metronidazole are very wide, the uses of metronidazole are as follows: 1, if the presence of gynecological pelvic inflammation, usually static metronidazole treatment; 2, if the local inflammation of the vulva or the local inflammation of the vagina, the application of vaginal suppositories or vaginal gel, the therapeutic effect is still good; 3, tablets orally, if there is the presence of trichomonas vaginitis, then you need to orally take tablets of metronidazole. And no matter how to apply metronidazole, you need to decide for the specific type of disease. Metronidazole suppositories are both cheap and good common gynecological drugs, and metronidazole tablets are also widely used in obstetrics and gynecology clinics. However, patients should not use it easily on their own, after all, it is an anti-anaerobic drug, and its easy use may lead to bacterial dysbiosis, so it is important to listen to the advice of a professional doctor.