Urine protein in late pregnancy +- suggests that the protein in the urine is weakly positive, may be physiological manifestations, such as strenuous exercise or bad fluctuations in mood before the examination, etc., may be pathological manifestations, such as hypertension in pregnancy, renal disease in pregnancy, inflammation of the genitourinary tract, as well as specimens stayed in the unqualified, or excessive concentration of urine, etc.. Urine protein +- in late pregnancy is indicated that pregnant women urine routine examination of urine protein presents weak positive, normal pregnant women urine protein is negative. Urine protein weak positive can be seen in the examination before the pregnant woman has a strenuous exercise or bad fluctuations in mood, etc., belong to physiological changes, do not need special treatment. To be pregnant women emotional stability, avoid strenuous exercise, can review the urine protein. Urine protein weak positive can also be seen in pathological conditions, such as pregnancy hypertension, pregnancy kidney disease, genitourinary tract inflammation. In addition, the urine specimen is not qualified, or the urine is over-concentrated will also appear urine protein weak positive results. Clinical for urine protein weak positive pregnant women must promptly consult a doctor, and again review the urine routine, in order to clarify the specific causes of the disease, and for different causes to give targeted treatment.