Vaginal ultrasound enhancement of the echogenic bands after an abortion suggests that there is residual blood flow in the uterine cavity. Retained abortion is prone to retained gestational tissue after abortion due to the mechanization of the gestational tissue and adhesion to the uterine wall. Vaginal ultrasound enhanced echogenic bands suggest that there is tissue retention in the uterine cavity, the retention time is long and the tissue is mechanized. It may not be attached to the uterine wall and there is no blood flow signal. Fresh tissue residue can appear to have a blood flow signal. Post-abortion residuals in the uterine cavity are given either by evacuation, depending on the majority of tissue, or by medication. When the tissue is less, the combination of mifepristone and contractions can be given to expel the residual tissue, with the possibility of heavy bleeding, and be ready to clear the uterus at any time. When there is more residual tissue in the uterine cavity, the uterus needs to be cleared again. The residual tissue in the uterine cavity after abortion surgery needs to be consulted in time, and appropriate treatment should be given under the guidance of the doctor, and the condition should not be delayed, so as not to cause hemorrhage and other adverse consequences.