Pregnant women with red urine should consider hematuria, urine routine check can see a large number of red blood cells, white blood cells, there are the following conditions: 1, urine red with frequent urination, urinary urgency, painful urination, consider lower urinary tract infection, should drink more water, do not eat spicy, stimulating food, oral antibiotic treatment, if necessary, intravenous antibiotics, treatment course of 10-14 days. 2, urine red with one side of the waist paroxysmal pain, unbearable, recurrent, consider Kidney and ureteral stones, ultrasound suggests hydronephrosis, stone sound image, pain medication is available, most of them can be relieved by conservative treatment and cannot be lithotripsy. If hydronephrosis is serious, put ureteral stent and wait for postpartum treatment.3. No urinary frequency, urinary urgency, urinary pain, no abdominal pain, kidney tumor and kidney stone should be considered, ultrasound and CT can assist in diagnosis, but the incidence is extremely low.