Metronidazole tablets, in general, are 0.4g, 3 times a day, taken orally. During the medication period, it is necessary to prohibit the consumption of spicy and stimulating food, not to drink alcohol, pay attention to rest, avoid strenuous exercise, prohibit sexual intercourse, pay attention to heat preservation, do not get cold and cold. Metronidazole tablets can be used for the treatment of gynecological inflammation, including pelvic inflammatory disease, adnexal inflammatory disease, endometrial inflammation, trichomoniasis, senile vaginitis, and bacterial vaginitis. Metronidazole normally needs to be used for one week in a row. After stopping the drug, go to the hospital to review the recovery, and if the symptoms improve significantly, you can stop the drug for observation. If there is no significant improvement, it is necessary to further consider whether to change the treatment.