Urination during fetal movement is usually related to bladder compression, which may be caused by uterine body enlargement or uterine stimulation and contraction.1, uterine volume increase: with the increase of pregnancy, the fetal volume increases, the uterine volume gradually increases, the uterine pressure increases when the fetus is active, and the bladder is compressed to appear urinary sensation. The later the pregnancy, the fetal position gradually downward, the more obvious the symptoms may be, is a normal physiological phenomenon, do not have to worry too much; 2, contraction stimulation: the uterus is stimulated by the fetus when a transient contraction, it may press the bladder, thus causing the urge to urinate, it is a kind of stress reaction, without special treatment. Precautions to pay attention to keep the vulvar area clean, hygienic, diligent washing, to avoid bacterial infection. Pregnant women are advised to urinate in time when the feeling of urination occurs, holding urine for a long time is easy to make pregnant women urinary tract infection, inflammation of the urethra, with frequent urination, urinary urgency and other symptoms.