If placenta praevia occurs during pregnancy, rest should be paid attention to and coitus should be prohibited to prevent preterm labor. If the patient with placenta praevia has a large amount of activity, overwork may lead to placenta praevia hemorrhage; if the patient with placenta praevia has coitus, contractions induced by external forces or external causes may also cause placenta praevia hemorrhage. Therefore, if placenta praevia occurs during pregnancy, you should pay attention to rest and prohibit coitus. Women must take care of their bodies, pay attention to reproductive tract hygiene, and if they do not want to get pregnant, pay attention to contraception to minimize the damage to the uterus and reduce the possibility of placenta praevia; if they are pregnant, they should pay attention to rest, have a reasonable diet, and undergo regular checkups. If placenta praevia occurs, it is necessary to pay attention to rest, reduce activities, bed rest if necessary, and when giving birth, it must go to a large hospital qualified to deal with placenta praevia, so as not to delay the condition.