After abortion, if there is residual tissue in the uterus, it should be dealt with as follows: first, if the residual tissue is relatively small, less than 1㎝ and there is no vaginal bleeding, no pain in the lower abdomen and no infection, it is recommended to take mifepristone orally, which has the effect of apoptosis of trophoblast cells as soon as possible, so the residual tissue may be eliminated from vagina along with vaginal bleeding. Vaginal bleeding and excluded from the vagina. Secondly, if the intrauterine residue is found 15 days after the abortion, you can take progesterone orally, which is about 7-10 days after the abortion, and after stopping the medication, menstruation usually occurs in 3-7 days, and progesterone plays the role of pharmacological scraping, so the residual tissue may be discharged with the menstrual blood outside of the vagina. Thirdly, if the residual tissue is relatively large, causing vaginal bleeding in the clinic, it is recommended to give purging surgery.