Pregnancy urine according to the time of occurrence, the specific clinical manifestations of different reasons, including physiological reasons, mainly due to pressure on the bladder, may also be pathological reasons, such as gestational diabetes caused by the specific causes and treatment methods are as follows: a. Common causes 1, physiological reasons: early pregnancy will appear to increase the number of urine, while the volume of urine is relatively small symptoms, generally due to the growth of the uterus pressure on the bladder The physiological reaction caused by the growth of the uterus pressure on the bladder, belongs to the normal performance, the uterus grows out of the pelvic cavity after the symptoms can often be relieved. The increase in the number of urination in late pregnancy or before delivery is due to the pressure on the bladder and increased pressure on the bladder and urethra after the fetal previa is in the pelvis, and some pregnant women may also experience urinary frequency and urinary incontinence symptoms; 2. Pathological causes: in late pregnancy, the increase in the number of urination is accompanied by a significant increase in the volume of urine, which may be due to gestational diabetes. In addition, organ lesions such as cystourethritis can also cause excessive urination in pregnancy, which can be accompanied by symptoms such as itching and pain in the urethra. Second, treatment 1, diet therapy: pay attention to eat as little diuretic food as possible, such as watermelon, tea, soy milk, etc. These foods have a better diuretic effect and will show symptoms of polyuria. Patients with gestational diabetes are advised to consume foods rich in protein, vitamins and fiber, such as lean meat and eggs, etc. Avoid foods high in sugar and fat, and pay attention to reasonable dietary arrangements. Patients with cystourethritis should pay attention to a light diet and avoid spicy and stimulating foods; 2. Exercise therapy: for the problem of polyuria caused by physiological factors, pregnant women can improve it through appropriate exercise and reduce bladder pressure; 3. Drug therapy: for polyuria caused by pathological factors, patients need to go to the hospital for consultation and active treatment after clarifying the cause. Such as gestational diabetes patients are mainly treated by insulin injections, oral hypoglycemic drugs, and patients with cystourethritis can choose sensitive antibiotics for anti-infection treatment.