Proteinuria (++) in pregnant women can be found in the following situations: First, pregnant women do not have proteinuria before pregnancy, that is, there is no history of glomerulonephritis, but after pregnancy, especially after the middle and late pregnancy proteinuria (++), you need to pay special attention to whether there is a combination of hyperemesis gravidarum. If there is a combination of hyperemesis gravidarum, especially with a significant increase in blood pressure, or the emergence of convulsions and so on, the pregnancy should be terminated in a timely manner. Second, pregnant women proteinuria (++), may be pregnant women themselves before pregnancy glomerulonephritis, so after pregnancy monitoring urine protein is (++). For patients who have nephritis themselves, after pregnancy, we should closely monitor the patient’s urine routine, 24-hour urine protein quantification, blood pressure and renal function. If the condition has worsened, it may be necessary to terminate the pregnancy. Third, pregnant women proteinuria (++), may be combined with urinary tract infections and other conditions, this may require symptomatic treatment, that is, to control the infection.