Climbing stairs in late pregnancy does not do much to promote the disappearance of the cervical canal. Climbing stairs can only increase the mobility of the pelvis, which is beneficial for pelvic entry, but since it is not particularly convenient to move around in late pregnancy and there are some risks in climbing stairs, it is recommended to climb stairs less often in late pregnancy, and to make the tissues of the pelvic floor more relaxed and elastic by doing birthing balls and maternity exercises. The softening of the cervix and the disappearance of the cervical canal are mainly related to the maturity of the cervical canal, which is related to the week of pregnancy and the physical condition of the pregnant woman. Most pregnant women will have mature cervical canal conditions by 41 weeks, and the natural onset of contractions will be induced by the maturity of the cervix and the disappearance of the cervical canal, if the condition of the cervix has been bad, it is necessary to consider using drugs to promote the maturation of the cervix.