Placenta praevia should be avoided by avoiding intense exercise, constipation, sexual intercourse and other behaviors that will lead to increased abdominal pressure, and also pay close attention to fetal movement and vaginal bleeding. Appropriate exercise and reasonable rest should be taken to avoid a large number of strenuous exercise leading to overwork, which may induce contractions and cause bleeding. Pregnant women with placenta previa should prohibit sexual intercourse during pregnancy to prevent increased abdominal pressure and bleeding, which will affect normal pregnancy. At the same time, pregnant women should pay close attention to the fetal movement, than the usual significant increase or decrease should be timely consultation. Pay attention to keep warm, avoid squatting for a long time, and take regular checkups to know the condition of the placenta. Pregnant women should eat more food rich in protein during pregnancy, such as eggs, pork lean meat, soy products, milk and so on. It is also necessary to properly supplement shrimp, fish, pork liver, oats, walnuts, peanuts and other foods, eat more fresh vegetables and fruits, eat more fiber-rich things to avoid constipation, so as not to increase abdominal pressure leads to the placenta slipping. Ensure that the food intake is nutritionally balanced and avoid single nutrition. During pregnancy, pay attention to more rest, at the same time, should relax, avoid tension, anxiety, any discomfort should be timely to the hospital, the doctor to clarify the diagnosis, and cooperate with the doctor to deal with the symptoms.