Spontaneous abortion can be categorized into preeclampsia, refractory abortion, incomplete abortion and complete abortion. For the pain caused by spontaneous abortion, it is necessary to take medication or surgical treatment. 1. Pre-eclampsia: For pain caused by pre-eclampsia, progesterone, dydrogesterone and other progestogens can be used to protect the fetus under the guidance of doctors. For pregnant women with underdeveloped embryos, surgical treatments such as purging and scraping are needed. 2. Inevitable miscarriage: For the pain caused by inevitable miscarriage, it is necessary to take the removal of the uterus, if the patient has a late miscarriage, and the amount of vaginal bleeding is relatively large, it is necessary to comply with the doctor’s instructions with the use of uterus, to promote uterine contraction. For patients with residual tissue in the uterine cavity, it is also necessary to take the scraping operation to remove the residual tissue in the uterine cavity. 3. Incomplete abortion: If the pain is caused by incomplete abortion, it needs to be treated by forceps or curettage. For patients with heavy vaginal bleeding, blood and fluid transfusion is needed under the guidance of the doctor. 4. Complete Miscarriage: If the patient has a complete miscarriage, the abdominal pain will disappear on its own. If there is no residue in the uterine cavity, no treatment is needed. It is recommended that patients with pain after spontaneous abortion need to go to the hospital in time and follow the doctor’s instructions to deal with the treatment.