Women who have incomplete abortions and do not clear the uterus will have infertility, infection, bleeding, as follows: First, infertility: the residual tissue of pregnancy in the uterine cavity will be mechanized, mechanized and uterine wall adhesion is close, which may lead to women’s menstruation is affected, but also may affect the fertilization of the egg, triggering infertility. Second, the infection: incomplete abortion does not clear the uterus, may lead to prolonged vaginal bleeding, will increase the chance of infection, once the infection is too heavy, will lead to endometritis, pelvic inflammatory disease, is not good for women’s health, but also may lead to the occurrence of infertility. Third, bleeding: incomplete abortion does not clear the case, may also lead to repeated intermittent vaginal bleeding, and easy to affect women’s menstruation and endocrine conditions, it is recommended that women are best to clear the operation as soon as possible.