Bleeding during pregnancy should exclude ectopic pregnancy, and then ultrasound to determine intrauterine pregnancy can be treated with fertility preservation.1, bed rest, and then give medication for fertility preservation, such as chorionic gonadotropin or progesterone, etc. 2, can be combined with some traditional Chinese medicines, such as kidney stabilizing pills and so on. If the bleeding stops and there are no symptoms of abdominal pain, the medication can be stopped if the fertility preservation is successful, and you can still have appropriate activities. If in the process of fetal preservation, vaginal bleeding gradually worsened, and even began to be accompanied by abdominal pain. At this time, you should go to the hospital in time, may be a failure of birth control, to review the ultrasound, to see whether there is a fetal heart, fetal buds, etc..