Brown discharge in early pregnancy, if not accompanied by abdominal pain and other uncomfortable symptoms, generally not serious, but with abdominal pain or increased discharge, it may indicate a serious condition, need to be comprehensively analyzed. Some pregnant women in the early stages of pregnancy may experience a small amount of brown vaginal discharge when the fertilized egg is deposited, with no discomfort, which is a physiological phenomenon and does not require special treatment. However, the symptoms of brown vaginal discharge and lower abdominal pain may also occur due to preeclampsia, which may continue to develop into inevitable miscarriage if left untreated, which is a serious condition. At the beginning of pregnancy, due to the unstable development of the embryo, we must pay attention to proper rest, prohibit coitus, avoid exertion and strenuous exercise, and also follow the doctor’s instructions to continue to take folic acid, in order to prevent the risk of neural tube deformities in the fetus. When there is vaginal bleeding, abdominal pain and other abnormalities need to go to the hospital in time. When brown discharge occurs in the early stages of pregnancy, you need to go to the hospital in time to identify the cause and actively treat it.