Urine sugar (++++), need to be considered from the following two situations: 1, urine sugar (++++), blood glucose is normal, consider the possibility of lowering the renal glucose threshold, you need to go to the nephrology department of the hospital, to exclude the renal tubules lead to impaired sugar absorption of renal tubular diseases. 2, urine sugar (++++), blood glucose is elevated, you need to go to the hospital endocrinology department to carry out a glucose tolerance test in order to rule out the possibility of diabetes mellitus. So no matter any of the above situations, we should be careful, timely consultation to avoid delays.