A pregnant woman’s urine pH of 6.5 is acidic, usually 4.6 to 7.0 is acidic and 7.1 to 8.0 is alkaline. Urine pH belongs to the indicators of urine routine, which can reflect the kidney’s ability to regulate the acid-base balance of body fluids. The normal value of urine pH is between 4.6 and 8.0. A urine pH test result of 6.5 in pregnant women is normal and acidic, and generally does not require excessive concern. Usually, a single high or low urine acid-base degree is of less significance, this is due to the close relationship between the change of urine acid-base degree and dietary structure, it is recommended that pregnant women maintain a normal diet before doing the test to prevent the impact on the test results. After the urine acid-base level is normalized, pregnant women should pay attention to develop good living habits, which can help to keep the urine acid-base in the normal range. Pregnant women should follow the doctor’s instructions to take the maternity test on time, and if there are any other problems, it is recommended to consult a professional doctor for guidance.