The examination to be done after spontaneous abortion includes gynecological examination, blood test and imaging examination. 1. Gynecological examination: After spontaneous abortion, gynecological examination should be conducted to see whether there is dilatation of the cervix, whether there is pregnancy material blocking the cervical os, and whether there is any pressure and pain in the adnexa bilaterally, and so on. 2. Blood tests: to improve the blood routine to see whether there is anemia caused by hemorrhage, whether there is infection of white blood cells and neutrophils with or without infection; you can also check the human chorionic gonadotropin assay to see whether there is still active residual or trophoblastic diseases. 3. Imaging: mainly ultrasound to see whether the abortion is complete, if there is still a large amount of residual tissue in the uterine cavity, it is necessary to carry out purging, to avoid secondary infection. After the abortion must go to the regular hospital obstetrics and gynecology department to do the relevant examination to clarify the situation, according to the situation to decide whether to need further treatment.