After biopsy vaginal stuffing gauze may have pressure on the bladder, there may be difficulty in urination, if the gauze stuffing is enough 24 hours can be removed after urination, if it is not enough 24 hours can go to the hospital for catheterization. 1. 24 hours after the cervical biopsy need to fill the gauze compression, to prevent cervical biopsy site bleeding, filling the gauze is located in the vagina, generally does not affect urination, but some patients may have difficulty urinating, may be filled with gauze after the compression and discomfort affecting urination, if the gauze is filled with enough 24 hours after the gauze can be removed for urination, as much as possible to relax when urinating. 2. If the gauze is not enough for 24 hours, you can go to the hospital and ask a professional doctor to make a judgment and perform catheterization if necessary. In conclusion, if the vaginal gauze insertion after biopsy causes difficulty in urination, it is necessary to go to the hospital in time, and according to the situation, the gauze can be removed or catheterization and other treatment methods can be carried out.