There are many reasons for bleeding from contractions during pregnancy. If bleeding from contractions occurs in early pregnancy, it is mostly considered as a sign of preeclampsia, and if it occurs in late pregnancy, it can be considered as imminent labor. The patient is in the early stage of pregnancy, mostly due to external stimulation or prolonged fatigue caused by uterine contractions after the symptoms of vaginal bleeding, which should be given great attention, because bleeding after contractions is mostly a sign of preterm miscarriage, and should be under the guidance of the doctor to preserve the fetus treatment. If the pregnancy is late, contractions will occur more regularly before labor, and some people will see red or water breakage. If vaginal bleeding after contractions occurs during pregnancy, it is recommended to go to the hospital in time for consultation and standardized treatment according to the doctor’s instruction after the cause of the disease is clarified.