The so-called uterus-preserving abortion is protective of the uterus. The so-called uterus-preserving abortion is an abortion procedure carried out under the super-conducting monitoring, under the operation of experienced surgeons, because it is carried out under the super-conducting monitoring, very experienced surgeons to operate, directly see the uterine cavity of the gestational sacs gently suctioned out, as far as possible to minimize the damage to the lining of the uterus tissues, the uterus is a certain degree of protection, the endometrium is routinely given in the postoperative period to repair the lining of the oral medication, for example, given valproic acid Estradiol, Eucerin, etc. are given orally to promote the growth of the endometrium. Therefore, the uterus-preserving abortion has a certain protective effect on the uterus. If blind suction abortion is taken, the operation is performed in a blind manner, and the uterine cavity has to be fully suctioned and scraped, and the damage to the uterine lining may be greater, which may result in damage to the basal layer of the endometrium, and may even result in the occurrence of uterine cavity adhesions and so on.