Decreased amniotic fluid and urinary abnormalities in late pregnancy usually require consideration of urinary tract infection and drinking too little water, and hydration and urethral cleansing are recommended. However, if it is caused by abnormal development of the fetus, it is necessary to consider early delivery. 1. Urinary tract infection: If a woman in late pregnancy has a urinary tract abnormality, she can generally consider that she has symptoms of urinary tract infection. Regular cleaning of the urethra can effectively alleviate the discomfort, the symptoms do not ease or fever and other systemic infections such as the recommended use of medication for treatment as prescribed by the doctor. 2. Drinking too little water: women who experience a decrease in amniotic fluid in late pregnancy generally need to consider the decrease in amniotic fluid caused by insufficient daily water intake. If the amniotic fluid decreases due to insufficient water intake, the amount of amniotic fluid can be effectively restored through regular hydration, which can help to ensure a stable environment for the fetus to live in. 3. Abnormal development of the fetus: some pregnant women in late pregnancy amniotic fluid reduction or urinary system abnormalities, also need to consider the fetus itself developmental abnormalities caused by secondary symptoms, generally need to carry out ultrasound to determine the development of the fetus. If the fetus develops abnormally, early delivery should be considered for protective treatment. Women in late pregnancy should seek medical attention to confirm the diagnosis of decreased amniotic fluid and urinary tract abnormalities, and choose the appropriate method under the guidance of the doctor.