Urinalysis is a very important test in the physical examination, so the civil service physical examination includes a urinalysis. The urine test mainly refers to the urine routine, including many items, mainly reflecting the presence of nephritis or diabetes and other common diseases. The urine routine examination has the following main items: 1, urine red blood cells, if there is a positive urine red blood cells often reflect the presence of nephritis, urinary tract infection, urinary tumors or stones; 2, urine protein, if positive often suggests the presence of glomerulonephritis or secondary kidney disease, such as diabetic nephropathy; 3, urine glucose, if there is a positive urine glucose often suggests the presence of kidney disease or urine glucose, if positive urine glucose often indicates kidney disease or diabetes mellitus; 4, urine ketone body is often an indicator of the presence of diabetic ketoacidosis.