Physical examination results abnormal urine routine, involving more diseases, such as the presence of white blood cells in the urine, suggesting the presence of urinary tract infections, if urine protein, red blood cells, occult blood in the urine, there may be nephritis. There are more items involved when performing routine urine examination, and common diseases are divided into two categories, the first is infectious diseases, there are acute pyelonephritis, acute cystitis, the main basis is white blood cells. If the urine leukocytes are positive and accompanied by symptoms such as frequent urination, urgent urination, painful urination, back pain and fever, it may be a urinary tract infection. The urinary tract infection is not too worrying, most of them are able to improve after giving anti-infection treatment. The second type of disease is nephritis, mainly based on the presence of protein, red blood cells and occult blood in the urine, if the result is positive, suggesting that may be suffering from nephritis, but also need to improve the anti-nuclear antibody profile and other related tests to further distinguish the type of nephritis, and then decide the next treatment plan.