Minor bleeding from placenta praevia is treated with either fertility preservation therapy or termination of pregnancy depending on the pregnancy. Pregnant women diagnosed with placenta praevia after the 28th week of pregnancy will have recurrent, painless vaginal bleeding due to the abnormal placental attachment position and the opening of blood sinuses caused by misalignment of the placenta in late pregnancy. Placenta praevia is only slight bleeding, the weeks of pregnancy are relatively small, the fetus is immature in all aspects of development, you can protect the fetus by contraction inhibitors, promote fetal lung maturation, etc., usually with magnesium sulfate, dexamethasone and other drugs, the use of specific drugs need to be under the guidance of the doctor. Usually also pay attention to supplementation, try to prolong the pregnancy week. Anterior placenta slight hemorrhage when the fetal gestational weeks are relatively large, fetal development in all aspects of maturity, to reach the full-term or has been close to the full-term stage, most women need to cesarean section way to terminate the pregnancy early. Preterm labor should be prevented in the case of mild bleeding placenta previa, and medical attention should be sought in case of abnormalities.