If the cervicitis is due to trichomonas or anaerobic bacteria, metronidazole suppositories can treat it. Because metronidazole suppositories are an anti-trichomonas medication, they are widely used clinically to treat trichomonas vaginitis or lesions in the cervix caused by trichomonas. If cervicitis is caused by mycoplasma, chlamydia or gonococcus, metronidazole suppositories have no therapeutic effect. Therefore, after the occurrence of cervicitis, we should first do the cervical secretion examination to see what pathogens are caused, and then we can give the corresponding drug treatment, otherwise indiscriminate use of drugs, or on the one hand, there will be no therapeutic effect, on the other hand, it is very easy to produce drug resistance, and also delay the condition.