Urine routine micro-protein is high, caused by many reasons: 1, kidney injury disease can lead to micro-protein is high, when relevant injuries occur, such as nephritis or the emergence of membranous nephropathy, etc., can cause the destruction of the glomerular filtration membrane, the protein in the blood leakage through the filtration membrane increased, resulting in increased protein content in the urine. 2, the existence of infection in the urinary system, which makes can appear in the micro-protein content increases, except for Bacteria contained micro-protein, may also cause the renal tubular reabsorption of micro-protein obstacles, can lead to increased protein content.3, diet high in protein, can increase the ability of the kidneys to discharge micro-protein, can cause a transient increase in the micro-protein content of urine.4, the presence of urologic hemorrhagic disorders, can also appear micro-protein content increased. The destruction of red blood cells can produce hemoglobin, and then the relevant urine examination can appear increased micro-protein.