Positive urine protein can be seen in physiological causes and pathological causes, physiological proteinuria within a few hours can automatically disappear, pathological proteinuria from a few hours to a few years to cure time varies, and even some people can not be cured for life, can not be generalized. 1. physiological urinary protein: in this case, generally belongs to the trace urinary protein, commonly found after strenuous exercise, mental tension, cold stimulation, fever, etc., resulting in sympathetic excitation, renal vasospasm or congestion caused by. In addition, it can also be seen in the tall and thin teenagers in the upright position, usually in tens of minutes to a few hours, the urine protein can automatically disappear. 2. Pathological causes: can be seen in acute and chronic renal disease, including glomerular disease, tubular disease and diabetic nephropathy, drug damage, heavy metal poisoning and so on. Generally speaking, positive urine protein caused by acute kidney disease can return to normal in a few hours to a week or so after the acute kidney disease gets timely and effective treatment. While positive urine protein caused by chronic kidney disease may exist for years and years, because chronic kidney disease is more difficult to treat. As for drug damage, heavy metal poisoning, etc., the urine protein can usually disappear within one or two weeks after stopping the drug in time to promote the discharge of heavy metals. However, if the kidney is seriously damaged, it will persist and difficult to cure. Urine protein positive people, it is recommended to consult a doctor in time, follow the doctor’s instructions for examination, identify the cause of the disease, and then follow the doctor’s instructions for treatment.