After 47 days of pregnancy with fetal heart and buds, brown vaginal discharge should be considered for the presence of preeclampsia, keloidal pregnancy, cervical polyps and other conditions. 1. Pre-eclampsia: the most common situation in early pregnancy is a small amount of vaginal bleeding, which can be brown, dark red and bright red discharge, with or without lower abdominal pain, without discharge of pregnancy tissue, after rest and fertility preservation treatment, the symptoms disappear, and the pregnancy can continue. 2. Keloid pregnancy: With the high rate of cesarean section in China, the number of keloid pregnancies has gradually increased. If there is a history of cesarean section and irregular vaginal bleeding after menopause, or brown secretion, it should be diagnosed by ultrasound and treated actively. 3. Cervical polyps: vaginal bleeding in early pregnancy, cervical polyps are also one of the reasons that can be easily overlooked, and a speculum can open the vagina to make a clear diagnosis. A small amount of vaginal bleeding in early pregnancy should be timely hospital consultation, clear cause and symptomatic treatment, do not unauthorized treatment, miss the opportunity for treatment.