A four-month amniotic fluid rupture cannot be saved, and the pregnancy needs to be terminated in a timely manner after the diagnosis has been made. The water breaks refers to the premature rupture of the fetal membranes, when the water breaks in the fourth month of pregnancy, because the chances of fetal survival is extremely low, and the risk of maternal and fetal infections is very high, so it is recommended that after a clear diagnosis of the doctor’s advice to timely induced termination of pregnancy, induced termination of the doctor’s advice to give tinidazole, cefuroxime sodium and other antibiotics for preventing infection treatment. Premature rupture of membranes is mostly caused by reproductive tract infections, trauma, nutrition and diet and other factors, so during pregnancy, we should strengthen health education and dietary guidance, and actively prevent and treat reproductive tract infections, and under the guidance of the doctor to supplement the adequate amount of vitamins, calcium, copper and zinc and other nutrients, in order to strengthen the nutrition of pregnancy, which to a certain extent, can prevent the occurrence of premature rupture of membranes. Clinically, when the water breaks at four months, you need to go to the hospital in time to get a clear diagnosis and timely treatment.