After the drug abortion does not necessarily need to clear the uterus, whether to clear the uterus and drug abortion is complete, drug abortion is complete does not need to clear the uterus, drug abortion is incomplete, often need to clear the uterus, need to be specifically analyzed. 1. drug abortion is complete: ultrasound results show that there is no residual gestational sacs in the uterine cavity, or other subsidiary tissues. In this case, there is no need for further purging. 2. drug abortion incomplete: ultrasound shows that there is embryonic tissue residue in the uterine cavity or a small amount of residue of conservative treatment is ineffective, and there will be vaginal bleeding symptoms, this time the need to clear the uterus, to ensure that there is no embryonic tissue residue in the uterine cavity. After the drug abortion should pay attention to more rest, supplemental nutrition, eat a light diet, bleeding or other abnormalities must go to the hospital in a timely manner.