Cervical immaturity is a clinical condition in which the cervix is not ripe and the uterine opening is not yet open, preventing normal delivery. Pregnant women will undergo a cervical examination before labor, which can determine the degree of cervical ripeness, determine the time of labor and estimate the expected date of delivery, so that they can make appropriate preparations in advance. If the pregnant woman once the cervix is not mature, to carry out the relevant methods to help the birth of ripening, you can play oxytocin, to help the development of the cervix ripening, or suggest that the pregnant woman in the pregnancy of appropriate exercise, can help the state of the cervix to change, conducive to delivery. Therefore, pregnant women should do the appropriate examination during pregnancy, according to their own state and the development of the baby to judge, appropriate exercise during pregnancy, but avoid heavy physical labor, pay attention to rest.