If the drug abortion is not clean and not treated in time, it is likely to lead to the following clinical consequences: first, due to repeated vaginal bleeding, it will cause bacterial retrograde infection and the formation of pelvic inflammation, cervical inflammation, endometrial inflammation, etc., and seriously lead to tubal adhesion, causing infertility. Secondly, clinically, due to the residue in the uterine cavity, when there is stripping between the residue and the uterine wall, the large capillaries rupture, it will lead to a large amount of bleeding, and clinically there is a possibility of hemorrhagic shock. Therefore, if the medicinal abortion is not clean, and after ultrasound examination found that there is residue in the uterus, timely given to clear the uterus surgery, it avoids the serious situation. It is recommended to give antibiotics to prevent infection for treatment after the removal of the uterus.