Small amount of bleeding in early pregnancy may be caused by physiological phenomenon, pre-miscarriage, ectopic pregnancy and other reasons. Depending on the cause, different treatments will be taken, including observation, progesterone supplementation and surgery. 1. Physiological phenomenon: the endometrium may be shed when the fertilized egg is implanted, resulting in a small amount of bleeding, which usually stops on its own in 1-2 days without special treatment, only observation, and if the bleeding does not stop in 2 days or so, you should consult a doctor promptly. 2. Pre-eclampsia: caused by chromosomal abnormality of embryo and hormone secretion disorder in pregnant women. Patients should rest properly, prohibit sexual life, luteal insufficiency can be prescribed progesterone. 3. Ectopic pregnancy: Ectopic pregnancy means that the embryo grows and develops outside the uterus, and the most common is tubal pregnancy, which can have a small amount of bleeding. If the diagnosis is confirmed, you should consult the doctor in time, according to the ultrasound examination, and blood HCG value, etc., and follow the doctor’s advice to take conservative treatment or surgical treatment, which can be treated with methotrexate or surgical resection of the ectopic side of the fallopian tube. Small amount of bleeding in early pregnancy should go to the hospital in time, complete the examination, clarify the cause of the disease and then give timely targeted treatment.