Patients using metronidazole suppositories are advised to wait more than 3 days after stopping the medication before performing a colposcopic biopsy. If the withdrawal time is too short, the accuracy of the results may be affected. Colposcopic biopsy refers to a colposcopic cervical multipoint biopsy examination, which is a test to confirm the presence of cervical lesions. Do not use any medication, including oral anti-inflammatory drugs and topical anti-inflammatory drugs, vaginal lotions, etc., and forbid coitus for 3 days before the colposcopy biopsy, or else it may interfere with the test results, affecting the doctor’s judgment of the accuracy of the results and delaying the condition. The best time for colposcopic biopsy is within 3 to 7 days after menstruation is clean. After the colposcopy biopsy, patients should pay attention to personal hygiene, it is advisable to have a light diet, keep the vulva clean and tidy, and do not have coitus within 2 weeks to prevent infection after taking the biopsy. Some patients need to follow the doctor’s prescription of local medication after colposcopy biopsy. Consult your doctor for details.