Bleeding in early pregnancy can be seen in a variety of conditions, such as fertilized egg implantation, pre-eclampsia miscarriage, ectopic pregnancy, cervical lesions, etc. 1. fertilized egg implantation: if capillary bleeding occurs during the implantation of the fertilized egg into the endometrium, it may cause bleeding. Generally the bleeding is relatively small, there is no abdominal pain, and the bleeding will be gradually relieved in 1-2 days. 2. Pre-eclampsia abortion: mostly caused by low progesterone level in the body, which manifests as brown or pink bloody discharge from the vagina, and if not treated in time, the symptoms of lower abdominal pain and back pain will appear. Pregnant women should pay attention to rest, reduce activities, avoid sexual intercourse, relax, and if necessary, carry out fetal preservation treatment under the guidance of a doctor; 3, ectopic pregnancy: refers to the embryo growing outside the uterine cavity, with the growth of the embryo, it may cause local rupture haemorrhage, which is life-threatening and can be accompanied by abdominal pain, and the pregnancy should be terminated if necessary; 4, cervical lesions: diseases such as chronic cervicitis, cervical polyps, cervical cancer, etc. All of them may cause bleeding, and they should go to the hospital in time to improve the examination and clarify the cause, and then take measures for symptomatic treatment. Therefore, women in early pregnancy should pay attention to avoid overwork, smoking, drinking alcohol, external impact, ensure sufficient sleep and rest time, and seek medical attention when abnormalities occur to ensure the healthy development of the fetus.