Promote the gestational sac as soon as possible out of the body need to meet three basic conditions, as follows: 1, the activity of the gestational sac is reduced or disappeared, so that the death of the gestational sac as well as the meconium tissue will gradually detach from the uterine wall, which is conducive to the expulsion of the gestational sac, for example, taking mifepristone or blood circulation and blood stasis of traditional Chinese medicine to kill the activity of the gestational sac; 2, there is a contraction of the uterus, the uterine contraction can squeeze the gestational sac as well as the meconium, and the expulsion of the pressure, which is very important and critical part of the body. This is a very important and crucial part. It is very important and crucial to use uterine contraction such as hysteronin or misoprostol to promote uterine contraction, and motherwort can also be used; 3, the patient needs to walk and stand more, which is also conducive to the expulsion of the gestational sac and the meconium under the effect of gravity. Patients in the case of drug abortion or spontaneous abortion should be more active, as little as possible lying down.