Urine protein 1 + is not serious, if the laboratory test is correct, the kidney must have disease. In general, urine protein is negative in routine urine tests, there is no 1 +, + is a qualitative criterion. If there are no other additional factors leading to transient proteinuria, there must be kidney disease, that is, mild glomerulonephritis, relatively mild occult glomerulonephritis, early treatment effect is still very good, not serious but should be actively treated. If not after active treatment, despite the 1 +, dripping stone, if long-term urine protein leakage on years, sooner or later will also let the kidneys are damaged, the emergence of renal insufficiency. So urine protein 1 +, although currently not serious, but long-term leakage of protein must be bad for the kidneys, with the passage of time will appear renal insufficiency, so although not serious, should still pay attention to.