Premature rupture of membranes in pregnant women is important and can affect both the pregnant woman and the fetus. For pregnant women, after premature rupture of membranes, the presence of pathogenic microorganisms in the vagina will appear upstream infection, and the degree of infection in pregnant women is more than the rupture time is related to, if pregnant women premature rupture of membranes for more than 24 hours, the chances of infection will be increased by 5 to 10 times. If a pregnant woman’s membranes suddenly rupture prematurely, it may cause placental abruption, and when the amniotic cavity is infected, postpartum hemorrhage is more likely to occur, and it also has an impact on the fetus. Pregnant women premature rupture of membranes can also induce preterm labor, preterm birth of the fetus is also very easy to occur respiratory distress syndrome, and there may also be chorioamnionitis resulting in fetal aspiration pneumonia. So pregnant women premature rupture of membranes is important, it is recommended that pregnant women should go to the hospital regularly to do obstetric examination, to ensure the health of the pregnant woman’s body and the fetus, the emergence of uncomfortable symptoms, should consult a doctor in a timely manner, so as not to delay the treatment.