If the bleeding is very little and lasts for a short time, and is not accompanied by abdominal pain and fever and other discomfort, you can first pay attention to rest and observation, if the bleeding continues for two or three days, or is accompanied by obvious discomfort, you need to seek medical treatment in time. 1. bleeding in bed: it is a normal physiological phenomenon, during the process of fertilization of the fertilized egg, it may be around the gestational sac During the process of fertilization, the blood vessels in the endometrium may rupture, causing a small amount of bleeding, which is manifested by a small amount of brown vaginal discharge, especially after the vaginal acid-base environment, it may also become dark black, which is a normal performance. At this time, we should reduce the amount of activities, mainly rest, avoid overexertion and forbid to have sex. 2. ectopic pregnancy: If the pregnancy is ectopic, some pregnant women will have a small amount of brown blood as well as abdominal cramps and anal swelling. At this time, you should go to the hospital immediately and once diagnosed, you need to actively cooperate with the doctor for hospitalization. 3. Pre-eclampsia: In pre-eclampsia, there may be a small amount of vaginal bleeding, but the amount of bleeding is not large and may be accompanied by slight lower abdominal pain. After the vaginal acid-base environment, it will turn brown or have a dark black color. It is necessary to visit the hospital for gynecological ultrasound examination to detect fetal heart and germ growth, except ectopic pregnancy, and to determine the quality of the embryo, which can be given as fertility preservation treatment. Besides, conditions such as vaginitis, cervicitis and pelvic inflammatory disease may also trigger brown blood, so it is important to pay attention to personal hygiene in early pregnancy to prevent infection. Go for regular check-ups to detect the growth of the fetus. If there is any discomfort, go to the hospital in time. In daily life, you should pay attention to a light diet, avoid spicy food, pay attention to rest and ensure sufficient sleep.