The so-called cleanup is to scrape out the residual tissues or endometrium of the woman’s uterus together with a scraper, which is usually performed due to incomplete abortion or medication abortion. Some women who are pregnant and do not want to have children will have an abortion or a medical abortion to terminate the pregnancy, but after the abortion or medical abortion, there may be a residual tissue accumulation, and the residue accumulation in the uterine cavity will probably cause incomplete manifestation of malignant dew and may lead to uterine cavity infection, then it is necessary to perform a special operation to remove the residue from the uterine cavity.