After abortion surgery must be rechecked, usually at least two times, about half a month after the operation should be rechecked once ultrasound, mainly to rule out the residual situation. More than 35 days after the operation, the ultrasound should be rechecked once, mainly after the menstruation is clean, to see if the uterus has returned to normal size and the endometrium has returned to normal thickness. If you don’t have a recheck after the abortion, firstly, you can’t rule out the residual situation, and secondly, you can’t know whether the uterus has returned to normal size. After the abortion should also review the routine examination of the leukorrhea, to see if there is inflammation, if there is inflammation, it may be necessary to carry out a regular course of medication for vaginitis. In addition, if the abortion is found to have residuals, especially with particularly high HCG, then it may be necessary to carry out another sterilization operation, because there may be some residuals of the abortion, not 100% can be clean.