After her water breaks, a pregnant woman should not walk downstairs on her own to prevent the umbilical cord from prolapsing and affecting the life of the fetus. Under normal circumstances, water breakage occurs after the uterine opening is complete. If a pregnant woman’s water breaks but the fetus has not yet been born, the umbilical cord of the fetus may flow outward along with the amniotic fluid. At this time, if the pregnant woman walks around and goes downstairs, there is a possibility that the umbilical cord may prolapse and affect the life of the fetus. Therefore, the pregnant woman should lie down immediately and call an ambulance to the hospital as soon as possible. The umbilical cord is an important pathway for the exchange of nutrients and oxygen between the mother and the fetus, so after the water breaks, the pregnant woman should pay close attention to the situation and go to the hospital as soon as possible for treatment and treatment to avoid prolapse of the umbilical cord resulting in asphyxiation of the fetus.