Whether or not to give clearance surgery for a medication abortion that is not clean depends mainly on the size of the residual tissue. In addition, there are no corresponding clinical symptoms. If the residual tissue is relatively small, and there is no active vaginal bleeding, and there is no symptom of infection, you can dynamically observe, for example, in the clinic can be oral mifepristone, a few days of continuous medication may also lead to residual tissue discharge, or about 15 days of abortion and then oral progesterone, 10 consecutive days of continuous medication, and after stopping the medication after the effect of medicated scavenging, it may also lead to the discharge of residual tissue. However, if there is a lot of tissue left in the uterus after the medication abortion and there is vaginal bleeding, it is recommended to perform a purging operation to avoid threatening the patient’s life due to heavy bleeding.